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NSR database version of April 11, 2024.

Search: Author = H.Wang

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2024GA07      Phys.Rev. C 109, 024307 (2024)

T.J.Gao, J.-B.Lu, Y.Ma, Y.Zhang, S.Q.Zhang, H.D.Wang, J.-Q.Liu, P.-Y.Yang, Zh.Ren, Ch.-Q.Li, Q.B.Chen, Z.C.Gao, J.Li, K.Y.Ma, G.Dong

Evidence for possible multiple chiral doublet bands with identical configuration in the odd-odd nucleus ¹²⁶Cs

doi: 10.1103/PhysRevC.109.024307
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2024HU04      Phys.Rev. C 109, 034609 (2024)

Y.G.Huang, F.C.Gu, Y.J.Feng, H.Wang, E.X.Xiao, X.Lei, L.Zhu, J.Su

Multimodality of ¹⁸⁷Ir fission studied by the Langevin approach

doi: 10.1103/PhysRevC.109.034609
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2024TE03      Phys.Rev. C 109, 034308 (2024)

J.X.Teng, K.Y.Ma, J.B.Lu, H.C.Zhang, H.Wang, S.Y.Liu, D.Zhao, H.Y.Ye, J.Y.Li, X.J.Zhao, Z.H.Zhao, Y.C.Hao, Z.Qiao, Y.J.Ma, D.Yang, X.G.Wu, Y.Zheng, C.B.Li

Possible multiple chiral doublet bands in odd-odd ¹²⁸La

doi: 10.1103/PhysRevC.109.034308
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2024WA08      Nucl.Phys. A1043, 122834 (2024)

M.Z.Wang, D.Wu, H.Y.Lan, J.Y.Zhang, J.X.Liu, H.G.Lu, J.F.Lv, X.Z.Wu, H.Zhang, J.Cai, Q.Y.Ma, Y.H.Xia, Z.N.Wang, Z.Y.Yang, X.L.Xu, Y.X.Geng, Y.Y.Zhao, H.R.Wang, F.L.Liu, J.Q.Yu, K.J.Luo, W.Luo, X.Q.Yan

Cross section measurements of ²⁷Al(γ, x)²⁴Na reactions as monitors for laser-driven bremsstrahlung γ-ray

NUCLEAR REACTIONS ²⁷Al(γ, X)²⁴Na, E ∼ 78, 103, 135; measured reaction products, Eγ, Iγ; deduced γ-ray energies, σ. Comparison with TALYS 1.9 calculations, experimental data. The 200 TW laser facility in the Compact Laser Plasma Accelerator (CLAPA) Laboratory, Peking University.

doi: 10.1016/j.nuclphysa.2024.122834
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2024WA09      Phys.Lett. B 849, 138449 (2024)

H.-K.Wang, H.Yang, M.L.Liu, Y.B.Wang, B.Jiang, Y.B.Qian

Ground-state inversion: The monopole-force governance in neutron mid-shell region

NUCLEAR STRUCTURE ^{117,119,121,123,125,127,129,131,133}Sb; analyzed available data; deduced the evolution of single-proton states, the monopole force interaction, the ground-state inversion, the monopole force can sufficiently extend the present Hamiltonian to include the mid-shell region.

doi: 10.1016/j.physletb.2024.138449
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2024WA12      Chin.Phys.C 48, 014106 (2024)

H.-K.Wang, Y.-L.Sun, B.-W.Jiang, F.-F.Zeng, M.-L.Liu

Further monopole effects in neutron-rich Sb isotopes

NUCLEAR STRUCTURE ^{133,134,135,136,137,139}Sb; calculated energy levels, J, π, high-spin states within a shell-model space containing cross-shell excitations and the intruder orbit i_13/2; deduced monopole effects. Comparison with available data.

doi: 10.1088/1674-1137/ad0b6b
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2024WA20      Chin.Phys.C 48, 043003 (2024)

J.Wang, H.Wang, D.Zhang

Solar neutrino background in high-pressure gaseous ⁸²SeF₆ TPC neutrinoless double beta decay experiments

NUCLEAR REACTIONS ⁸²Se, ¹⁹F(ν, e^-), E<20 MeV; calculated solar neutrino background in a future neutrinoless double beta decay experiment using a high-pressure gaseous ⁸²SeF₆ TPC.

doi: 10.1088/1674-1137/ad2675
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2023AN14      Sci. Rep. 13, 12657 (2023)

Z.An, W.Qiu, W.Jiang, G.Yang, X.Li, Z.Liao, Z.Zhuang, X.Zhang, S.Chen, C.Guo, E.Xiao, X.Fang, X.Li, H.Wang, X.Hu, Bi.Jiang, W.Shen, J.Wang, J.Ren, X.Ruan, D.Wang, S.-Y.Zhang, W.Luo, Z.Zhu, H.Lan, Z.Cao, X.Ma, Y.Liu, P.Wang, Y.Yang, P.Su, X.Deng, W.He, Y.Ma, C.Ma, Y.Wang, P.He, R.Tang, T.Zhou, J.Wang, H.Yi, Y.Zhang, Y.Chen, R.Fan, K.Gao, Q.Li, K.Sun, Z.Tan, M.Gu, H.Jing, J.Tang

Measurement of the ¹⁸¹Ta(n, γ) cross sections up to stellar s-process temperatures at the CSNS Back-n

NUCLEAR REACTIONS ¹⁸¹Ta(n, γ), E=0.001-800 keV; measured reaction products, En, In, TOF; deduced σ, resonance parameters using the R-Matrix code SAMMY, Maxwellian average cross sections (MACS). Comparison with available data. The back-streaming white neutron facility (Back-n) of China spallation neutron source (CSNS).

doi: 10.1038/s41598-023-39603-7
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2023CH16      Phys.Rev. C 107, 034910 (2023)

Q.Chen, H.-S.Wang, G.-L.Ma

Probing fluctuations and correlations of strangeness by net-kaon cumulants in Au + Au collisions at √ s_NN = 7.7 GeV

doi: 10.1103/PhysRevC.107.034910
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2023DA02      Phys.Rev. C 107, 014905 (2023)

P.Dasgupta, H.-S.Wang, G.-L.Ma

Effect of global momentum conservation on longitudinal flow decorrelation

doi: 10.1103/PhysRevC.107.014905
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2023EK01      Eur.Phys.J. A 59, 103 (2023)

H.Ekawa, W.Dou, Y.Gao, Y.He, A.Kasagi, E.Liu, A.Muneem, M.Nakagawa, C.Rappold, N.Saito, T.R.Saito, M.Taki, Y.K.Tanaka, H.Wang, J.Yoshida

Development of machine learning analyses with graph neural network for the WASA-FRS experiment

doi: 10.1140/epja/s10050-023-01016-5
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2023EL04      Phys.Lett. B 844, 138072 (2023)

Z.Elekes, V.Panin, T.R.Rodriguez, K.Sieja, D.S.Ahn, A.Al-Adili, H.Baba, A.I.Stefanescu, K.J.Cook, Cs.Dosa, N.Fukuda, J.Gao, J.Gibelin, K.I.Hahn, Z.Halasz, S.W.Huang, T.Isobe, M.M.Juhasz, D.Kim, T.Kobayashi, Y.Kondo, Z.Korkulu, A.Kurihara, I.Kuti, H.Miki, K.Miki, T.Motobayashi, H.Otsu, A.Saastamoinen, M.Sasano, H.Sato, T.Shimada, Y.Shimizu, L.G.Sobotka, I.Stefanescu, L.Stuhl, H.Suzuki, H.Takeda, Y.Togano, T.Tomai, L.Trache, D.Tudor, T.Uesaka, Y.Utsuki, H.Wang, A.Yasuda, K.Yoneda, Y.Yoshitome

Shape coexistence in ⁶⁶Se

NUCLEAR REACTIONS ¹²C(⁶⁷Se, n)⁶⁶Se, E=170-250 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, γ-ray production σ, J, π, partial level scheme, shape coexistence. Comparison with theoretical calculations. The CATANA array, Radioactive Isotope Beam Factory operated by the RIKEN Nishina Center and by the Center for Nuclear Study of the University of Tokyo.

doi: 10.1016/j.physletb.2023.138072
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2023KO15      Nature(London) 620, 965 (2023)

Y.Kondo, N.L.Achouri, H.Al Falou, L.Atar, T.Aumann, H.Baba, K.Boretzky, C.Caesar, D.Calvet, H.Chae, N.Chiga, A.Corsi, F.Delaunay, A.Delbart, Q.Deshayes, Zs.Dombradi, C.A.Douma, A.Ekstrom, Z.Elekes, C.Forssen, I.Gasparic, J.-M.Gheller, J.Gibelin, A.Gillibert, G.Hagen, M.N.Harakeh, A.Hirayama, C.R.Hoffman, M.Holl, A.Horvat, A.Horvath, J.W.Hwang, T.Isobe, W.G.Jiang, J.Kahlbow, N.Kalantar-Nayestanaki, S.Kawase, S.Kim, K.Kisamori, T.Kobayashi, D.Korper, S.Koyama, I.Kuti, V.Lapoux, S.Lindberg, F.M.Marques, S.Masuoka, J.Mayer, K.Miki, T.Murakami, M.Najafi, T.Nakamura, K.Nakano, N.Nakatsuka, T.Nilsson, A.Obertelli, K.Ogata, F.de Oliveira Santos, N.A.Orr, H.Otsu, T.Otsuka, T.Ozaki, V.Panin, T.Papenbrock, S.Paschalis, A.Revel, D.Rossi, A.T.Saito, T.Y.Saito, M.Sasano, H.Sato, Y.Satou, H.Scheit, F.Schindler, P.Schrock, M.Shikata, N.Shimizu, Y.Shimizu, H.Simon, D.Sohler, O.Sorlin, L.Stuhl, Z.H.Sun, S.Takeuchi, M.Tanaka, M.Thoennessen, H.Tornqvist, Y.Togano, T.Tomai, J.Tscheuschner, J.Tsubota, N.Tsunoda, T.Uesaka, Y.Utsuno, I.Vernon, H.Wang, Z.Yang, M.Yasuda, K.Yoneda, S.Yoshida

First observation of ²⁸O

NUCLEAR REACTIONS H(²⁹F, X)²⁷O/²⁸O, E=235 MeV/nucleon; measured reaction products; deduced yields. The hydrogen target was surrounded by the MINOS Time Projection Chamber, SAMURAI spectrometer, RIKEN RI Beam Factory.

RADIOACTIVITY ²⁸O(4n), ²⁷O(3n); measured decay products, En, In; deduced decay energy spectra and schemes from the measured momenta using the invariant-mass technique, resonance parameters. Comparison with the large-scale shell-model calculations using the new chiral effective field theory (EEdf3) interaction.

doi: 10.1038/s41586-023-06352-6
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2023LI32      Eur.Phys.J. A 59, 121 (2023)

H.N.Liu, F.Flavigny, H.Baba, M.Boehmer, U.Bonnes, V.Borshchov, P.Doornenbal, N.Ebina, M.Enciu, A.Frotscher, R.Gernhauser, V.Girard Alcindor, D.Goupilliere, J.Heuser, R.Kapell, Y.Kondo, H.Lee, J.Lehnert, T.Matsui, A.Matta, T.Nakamura, A.Obertelli, T.Pohl, M.Protsenko, M.Sasano, Y.Satou, C.J.Schmidt, K.Schunemann, C.Simons, Y.L.Sun, J.Tanaka, Y.Togano, T.Tomai, I.Tymchuk, T.Uesaka, R.Visinka, H.Wang, F.Wienholtz

STRASSE: a silicon tracker for quasi-free scattering measurements at the RIBF

doi: 10.1140/epja/s10050-023-01018-3
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2023LI34      Phys.Rev. C 108, 014312 (2023)

T.Liang, H.Wang, J.Liu, Z.Ren

Investigation of the neutron distribution deformation by parity-violating electron scattering

NUCLEAR REACTIONS ²⁷Al(e, e), E=117 MeV;⁴⁸Ca(e, e), E=2180 MeV;¹³³Cs(e, e), E=2180 MeV;²⁰⁸Pb(e, e), E=953 MeV; calculated parity-violating asymmetry. Developed develop a deformed parity-violating electron scattering PVES model, which combines the deformed relativistic mean-field model and the distorted wave Born approximation. Evaluate the influence of the neutron density deformation on the parity-violating asymmetry. Comparison to experimental data from PREX-II and CREX.

NUCLEAR STRUCTURE ²⁷Al, ⁴⁸Ca, ¹³³Cs, ²⁰⁸Pb; calculated weak charge density distribution, multipole weak charge density distribution, spherical density distribution. ²⁷Al, ¹³³Cs; calculated deformed neutron density. ²⁷Al; calculated quadrupole Coulomb form factor. Calculations performed by using the deformed and spherical relativistic mean field (RMF) models with the FSU parameter set.

doi: 10.1103/PhysRevC.108.014312
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2023LI56      Phys.Rev.Lett. 131, 212501 (2023)

P.J.Li, D.Beaumel, J.Lee, M.Assie, S.Chen, S.Franchoo, J.Gibelin, F.Hammache, T.Harada, Y.Kanada-En'yo, Y.Kubota, S.Leblond, P.F.Liang, T.Lokotko, M.Lyu, F.M.Marques, Y.Matsuda, K.Ogata, H.Otsu, E.Rindel, L.Stuhl, D.Suzuki, Y.Togano, T.Tomai, X.X.Xu, K.Yoshida, J.Zenihiro, N.L.Achouri, T.Aumann, H.Baba, G.Cardella, S.Ceruti, A.I.Stefanescu, A.Corsi, A.Frotscher, J.Gao, A.Gillibert, K.Inaba, T.Isobe, T.Kawabata, N.Kitamura, T.Kobayashi, Y.Kondo, A.Kurihara, H.N.Liu, H.Miki, T.Nakamura, A.Obertelli, N.A.Orr, V.Panin, M.Sasano, T.Shimada, Y.L.Sun, J.Tanaka, L.Trache, D.Tudor, T.Uesaka, H.Wang, H.Yamada, Z.H.Yang, M.Yasuda

Validation of the ¹⁰Be Ground-State Molecular Structure Using ¹⁰Be(p, pα)⁶He Triple Differential Reaction Cross-Section Measurements

NUCLEAR REACTIONS ¹H(¹⁰Be, pα), E ∼ 150 MeV/nucleon; measured reaction products. ⁶He, ¹⁰Be; deduced excitation energy spectra, σ(θ, E), α-cluster molecular structure of the ¹⁰Be ground-state. Comparison with calculations performed in a microscopic framework using successively the Tohsaki-Horiuchi-Schuck-Ropke product wave function and the wave function deduced from antisymmetrized molecular dynamics calculations. The Radioactive Isotope Beam Factory at RIKEN.

doi: 10.1103/PhysRevLett.131.212501
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2023NI11      Nucl.Instrum.Methods Phys.Res. A1057, 168703 (2023)

M.Niu, Z.Long, R.Fan, W.Jiang, J.Liu, Q.Xiu, R.Xu, H.Wang, Zh.Zhou, K.Sun, Zh.Zhang, H.Zhang, H.Yi, Y.Chen, D.Wang, X.Xia, H.Liang

Research on the performance of a diamond detector for the cross-section measurements at CSNS Back-n

NUCLEAR REACTIONS ¹²C, ⁶Li(n, α), ¹²C(n, n'), E=0.00001-100 MeV; measured reaction products, En, In, TOF; deduced the bi-parametric contour plot facilitated the identification of event bands in a bi-parameter experiment (neutron time of flight and deposited energy). Comparison with MATLAB simulations. The Back-n white neutron facility located within the China Spallation Neutron Source (CSNS).

doi: 10.1016/j.nima.2023.168703
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2023PO05      Phys.Rev.Lett. 130, 172501 (2023)

T.Pohl, Y.L.Sun, A.Obertelli, J.Lee, M.Gomez-Ramos, K.Ogata, K.Yoshida, B.S.Cai, C.X.Yuan, B.A.Brown, H.Baba, D.Beaumel, A.Corsi, J.Gao, J.Gibelin, A.Gillibert, K.I.Hahn, T.Isobe, D.Kim, Y.Kondo, T.Kobayashi, Y.Kubota, P.Li, P.Liang, H.N.Liu, J.Liu, T.Lokotko, F.M.Marques, Y.Matsuda, T.Motobayashi, T.Nakamura, N.A.Orr, H.Otsu, V.Panin, S.Y.Park, S.Sakaguchi, M.Sasano, H.Sato, H.Sakurai, Y.Shimizu, A.I.Stefanescu, L.Stuhl, D.Suzuki, Y.Togano, D.Tudor, T.Uesaka, H.Wang, X.Xu, Z.H.Yang, K.Yoneda, J.Zenihiro

Multiple Mechanisms in Proton-Induced Nucleon Removal at ∼ 100 MeV/Nucleon

NUCLEAR REACTIONS ¹H(¹⁴O, X), E ∼ 100 MeV/nucleon; measured reaction products. ¹³N, ¹³O; deduced inclusive σ and parallel momentum distributions for proton-induced single proton- and neutron-removal reactions from the neutron-deficient ¹⁴O nucleus with large Fermi-surface asymmetry. Comparison with he state-of-the-art reaction models, with nuclear structure inputs from many-body shell-model calculations.

doi: 10.1103/PhysRevLett.130.172501
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2023RA13      Nucl.Instrum.Methods Phys.Res. B542, 87 (2023)

H.N.Ratliff, N.A.McGirl, M.R.Beach, L.A.Castellanos, M.S.Clowdsley, L.H.Heilbronn, C.LaTessa, J.W.Norbury, A.Rusek, M.Sivertz, A.P.Srikrishna, H.-C.Wang, C.Zeitlin

Double-differential primary target neutron yields from dual-thick-target proton and heavy ion accelerator experiments

NUCLEAR REACTIONS ²⁷Al, C, H(Si, X), (C, X)¹NN, E=400 MeV/nucleon; measured reaction products, En, In; deduced yields, σ(θ, E). The NASA Space Radiation Laboratory.

doi: 10.1016/j.nimb.2023.06.001
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2023WA08      Phys.Rev. C 107, L041601 (2023)

Y.Wang, F.Guan, X.Diao, M.Wan, Y.Qin, Z.Qin, Q.Wu, D.Guo, D.Si, S.Xiao, B.Zhang, Y.Zhang, B.Tian, X.Wei, H.Yang, P.Ma, R.J.Hu, L.Duan, F.Duan, Q.Hu, J.Ma, S.Xu, Z.Bai, Y.Yang, J.Wang, W.Liu, W.Su, X.Wei, C.-W.Ma, X.Li, H.Wang, F.Wang, Y.Zhang, M.Warda, A.Dobrowolski, B.Nerlo-Pomorska, K.Pomorski, L.Ou, Z.Xiao

Observing the ping-pong modality of the isospin degree of freedom in cluster emission from heavy-ion reactions

NUCLEAR REACTIONS ²⁰⁸Pb(⁸⁶Kr, X), E=25 MeV/nucleon; measured reaction products, A=3 isobars in coincidence with the intermediate mass fragments of A=6-11; deduced velocity spectra of ³H and ³He, yields ratios of ³H/³He correlate reversely to the neutron-to-proton ratio N/Z of the intermediate mass fragments. Comparison with ImQMD transport model. Yield ratio ³H/³He exhibits evident anticorrelation with the N/Z of the latter, suggesting the ping-pong modality of the N/Z of the emitted particles. Anti-correlation shows dependence on the slope of the symmetry energy at saturation density. Compact Spectrometer for Heavy IoN Experiment (CSHINE) at the final focal plane of the Radioactive Ion Beam Line at Lanzhou (RIBLL-I).

doi: 10.1103/PhysRevC.107.L041601
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2023WA13      Phys.Rev. C 107, 064305 (2023)

H.K.Wang, Y.J.Li, Y.B.Wang, A.Jalili, Y.B.Qian

Spectroscopic factors and level spectra in neutron-rich Sn isotopes

NUCLEAR STRUCTURE ^{131,133,134,135,136,137}Sn; calculated levels, J, π, spectroscopic factors, configurations. Shell-model calculations with Hamiltonian including core excitations and the intruder orbit i_13/2 using codes NUSHELLX and KSHELL. Comparison to available experimental data.

doi: 10.1103/PhysRevC.107.064305
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2023WA16      Chin.Phys.C 47, 074103 (2023)

H.-K.Wang, A.Jalili, G.-X.Li, Y.-B.Wang

Monopole effects and high-spin levels in neutron-rich ¹³²Te

NUCLEAR STRUCTURE ¹³²Te; calculated energy levels, J, π using shell model calculations using the extended pairing plus multipole-multipole force model; deduced significant difference between experiment and theory in the high-spin level 17⁺, the monopole corrections and quadruple-quadruple force.

doi: 10.1088/1674-1137/accdc6
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2023WA18      Phys.Lett. B 843, 138038 (2023)

H.Wang, M.Yasuda, Y.Kondo, T.Nakamura, J.A.Tostevin, K.Ogata, T.Otsuka, A.Poves, N.Shimizu, K.Yoshida, N.L.Achouri, H.Al Falou, L.Atar, T.Aumann, H.Baba, K.Boretzky, C.Caesar, D.Calvet, H.Chae, N.Chiga, A.Corsi, H.L.Crawford, F.Delaunay, A.Delbart, Q.Deshayes, Zs.Dombradi, C.Douma, Z.Elekes, P.Fallon, I.Gasparic, J.-M.Gheller, J.Gibelin, A.Gillibert, M.N.Harakeh, A.Hirayama, C.R.Hoffman, M.Holl, A.Horvat, A.Horvath, J.W.Hwang, T.Isobe, J.Kahlbow, N.Kalantar-Nayestanaki, S.Kawase, S.Kim, K.Kisamori, T.Kobayashi, D.Korper, S.Koyama, I.Kuti, V.Lapoux, S.Lindberg, F.M.Marques, S.Masuoka, J.Mayer, K.Miki, T.Murakami, M.A.Najafi, K.Nakano, N.Nakatsuka, T.Nilsson, A.Obertelli, N.A.Orr, H.Otsu, T.Ozaki, V.Panin, S.Paschalis, A.Revel, D.Rossi, A.T.Saito, T.Saito, M.Sasano, H.Sato, Y.Satou, H.Scheit, F.Schindler, P.Schrock, M.Shikata, Y.Shimizu, H.Simon, D.Sohler, O.Sorlin, L.Stuhl, S.Takeuchi, M.Tanaka, M.Thoennessen, H.Tornqvist, Y.Togano, T.Tomai, J.Tscheuschner, J.Tsubota, T.Uesaka, Z.Yang, K.Yoneda

Intruder configurations in ²⁹Ne at the transition into the island of inversion: Detailed structure study of ²⁸Ne

NUCLEAR REACTIONS ¹H(²⁹Ne, np)²⁸Ne, E=240 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, partial level scheme, J, π, one-neutron removal σ, parallel momentum distributions. Comparison with available data. The MINOS target was surrounded by the DALI2 array, the Radioactive Isotope Beam Factory (RIBF), operated by the RIKEN Nishina Center and the Center for Nuclear Study, University of Tokyo.

doi: 10.1016/j.physletb.2023.138038
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2023WA27      J.Phys.(London) G50, 095104 (2023)

H.Wang, Q.Su, C.Xu, Z.Ren, J.Liu

Influence of single-particle energy on inclusive electron scattering

NUCLEAR REACTIONS ²⁷Al(e^-, e^-'), E not given; calculated single-particle nucleon momentum distributions (NMDs), the single-particle energy level distributions from the deformed relativistic mean-field model.

doi: 10.1088/1361-6471/ace6c3
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2023WU11      Nucl.Instrum.Methods Phys.Res. A1057, 168779 (2023)

H.Wu, X.Guan, G.Wu, H.Wang, Y.Wang, J.Du, L.Zhang, L.Gu

Experimental validation of a BNCT epithermal neutron flux detector using ⁵⁵Mn(n, γ)⁵⁶Mn reaction at an accelerator-based BNCT facility

NUCLEAR REACTIONS ⁵⁵Mn(n, γ), E epithermal; measured reaction products, Eγ, Iγ; deduced induced radioactivity in the activated MnNi foil, epithermal neutron flux. GMX60 detector, the AB-BNCT facility developed by Lanzhou University by irradiating the detector in the neutron field.

doi: 10.1016/j.nima.2023.168779
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2023XU11      Chin.Phys.C 47, 124001 (2023)

J.Xue, S.Feng, Y.Chen, H.Yi, X.Li, M.Xiao, P.Cheng, R.Liu, Y.Yang, Z.Han, D.Zhao, H.Wang, B.Li, J.Zhao, Z.Liu, Ch.Chen, W.Luo, B.Zheng

Measurement and analysis of the neutron-induced total cross-sections of ²⁰⁹Bi from 0.3 eV to 20 MeV on the Back-n at CSNS

NUCLEAR REACTIONS ²⁰⁹Bi(n, X), E=0.0000003-20 MeV; measured reaction products, En, In, TPOF deduced σ and uncertainties, resonance parameters. Comparison with ENDF/B-VIII.0, CENDL-3.23, JEFF-3.3 libraries, TALYS calculations. The back-streaming white neutron beamline (Back-n) at the China Spallation Neutron Source (CSNS) using the neutron total cross-section spectrometer (NTOX).

doi: 10.1088/1674-1137/acf920
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2023YA15      Phys.Rev. C 107, 054304 (2023)

J.Yang, J.Dudek, I.Dedes, A.Baran, D.Curien, A.Gaamouci, A.Gozdz, A.Pedrak, D.Rouvel, H.L.Wang

Islands of oblate hyperdeformed and superdeformed superheavy nuclei with D_3h point group symmetry in competition with normal-deformed D_3h states: "Archipelago" of D_3h-symmetry islands

NUCLEAR STRUCTURE ³⁰²Og, ²⁹²124, ³¹⁸130; calculated contours of projections of the total nuclear energy surfaces on (α22, α20), (α33, α20), ( α33, α22) and (α30, α20) planes, deformation parameters. N=166-206;Z=116-138; calculated single-particle neutron and proton energy levels, shell energies defined as sums of the Strutinsky and pairing correction energies, D_3h-symmetric hyperdeformed, superdeformed, and normal-deformed configurations. Found three separate islands of nuclei with D3h symmetry ("archipelago of three islands") differing by their average α20 < 0 deformations. Macroscopic-microscopic method with a realistic phenomenological Woods-Saxon potential.

doi: 10.1103/PhysRevC.107.054304
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2023YA30      Phys.Rev.Lett. 131, 242501 (2023)

Z.H.Yang, Y.L.Ye, B.Zhou, H.Baba, R.J.Chen, Y.C.Ge, B.S.Hu, H.Hua, D.X.Jiang, M.Kimura, C.Li, K.A.Li, J.G.Li, Q.T.Li, X.Q.Li, Z.H.Li, J.L.Lou, M.Nishimura, H.Otsu, D.Y.Pang, W.L.Pu, R.Qiao, S.Sakaguchi, H.Sakurai, Y.Satou, Y.Togano, K.Tshoo, H.Wang, S.Wang, K.Wei, J.Xiao, F.R.Xu, X.F.Yang, K.Yoneda, H.B.You, T.Zheng

Observation of the Exotic 0⁺₂ Cluster State in ⁸He

NUCLEAR REACTIONS C, ¹H(⁸He, ⁸He), E=82.3 MeV/nucleon; measured reaction products, En, In. ^6,8He; deduced σ(θ), resonant state J, π, large isoscalar monopole transition strength, and the emission of a strongly correlated neutron pair. Comparison with theoretical calculations. RIPS beam line of RIKEN Nishina Center.

doi: 10.1103/PhysRevLett.131.242501
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2023YE03      Phys.Rev. C 107, 044302 (2023)

W.Ye, Y.Qian, H.Wang

Multiple constraints on nuclear mass formulas for reliable extrapolations

ATOMIC MASSES ¹⁶⁰Nd, ¹⁶⁴Sm; calculated binding energies. Multiobjective optimization of the Bethe-Weizsacker–type and the Duflo-Zucker (DZ) mass models usingα-decay energy and the Garvey-Kelson relations. Comparison to experimental data.

doi: 10.1103/PhysRevC.107.044302
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2023ZH14      Phys.Rev. C 107, 044310 (2023)

Z.H.Zhao, C.B.Li, K.Y.Ma, X.G.Wu, Y.Zheng, Y.K.Pan, J.L.Wang, H.C.Zhang, Y.C.Hao, X.F.Li, G.S.Li, S.H.Yao, C.Y.He, B.B.Yu, X.P.Cao, S.P.Hu, J.B.Lu, Y.J.Ma, D.Yang, H.D.Wang, G.Y.Liu, L.Li, C.Xu, Y.Y.Cheng

Possible antimagnetic rotational band in ¹¹⁴In

NUCLEAR REACTIONS ¹¹⁰Pd(⁷Li, 3n)¹¹⁴In, E=26 MeV; analyzed Eγ, Iγ, γγ-coin, γγ(θ)(DCO) data from an experiment reported by 2011Li43 in Eur. Phys. Jour. A 47, 191 (2011) at the HI-13 tandem accelerator of CIAE, Beijing. ¹¹⁴In; deduced high-spin levels, Jπ, multipolarities, bands, possible anti-magnetic rotational band, spherical configurations; predicted B(E2) and I²/B(E2) from classical particle-rotor model calculations. Systematics of yrast states in ^{102,104,106,108,110}Ag and ^{104,106,108,110,112,114}In.

doi: 10.1103/PhysRevC.107.044310
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2023ZH17      Phys.Rev. C 107, 045809 (2023)

S.Zhang, G.Li, W.Jiang, D.X.Wang, J.Ren, M.Huang, E.T.Li, J.Y.Tang, X.C.Ruan, H.W.Wang, Z.H.Li, Y.S.Chen, L.X.Liu, X.X.Li, Q.W.Fan, R.R.Fan, X.R.Hu, J.C.Wang, X.Li, D.D.Niu, N.Song, M.Gu

Measurement of the ¹⁵⁹Tb (n, γ) cross section at the CSNS Back-n facility

NUCLEAR REACTIONS ¹⁵⁹Tb(n, γ), E=0.002-1 MeV; measured neutron Time-of-Flight, Eγ, Iγ; deduced σ(E), resonance parameters, Maxwellian-averaged σ (kT=5-100 keV), astrophysical reaction rate. R-matrix analysis (SAMMY code) to obtain resonance parameters and compare to JEFF-3.3 evaluations, recommended data from Mughabghab and ENDF/B-VIII.0. Comparison of cross-section data to other experimental results, TALYS-1.9 calculations, data from KADoNiS-v0.3, KADoNiS-v1.0, JEFF-3.3, ENDF/B-VIII.0. Analyzed impact of the obtained data on the time evolution of nuclear abundances of ¹⁵⁹Tb, ¹⁶⁰Tb, ¹⁶⁰Dy, ¹⁶¹Dy, ¹⁶²Dy, ¹⁶³Dy, ¹⁶⁴Dy, ¹⁶³Ho, ¹⁶⁵Ho, ¹⁶⁴Er, ¹⁶⁶Er, ¹⁶⁷Er. Four C₆D₆ detectors. Neutron beam from Back-n Facility of the China spallation neutron source (CSNS).

doi: 10.1103/PhysRevC.107.045809
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2023ZH38      Phys.Rev. C 108, 024314 (2023)

H.C.Zhang, K.Y.Ma, J.X.Teng, Z.H.Zhao, H.Wang, S.Y.Liu, Y.C.Hao, J.B.Lu, Y.J.Ma, D.Yang, X.G.Wu, Y.Zheng, C.B.Li

New positive-parity bands in ¹¹⁰Ag and systematic studies in silver isotopes

NUCLEAR REACTIONS ¹¹⁰Pd(⁷Li, X)¹¹⁰Ag, E=65 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). ¹¹⁰Ag; deduced levels, J, π, high-spin states, δ, DCO ratios, positive-parity rotational bands structure, B(M1)/B(E2) ratios for inside band transitions, configurations. Systematics of alignment for the bands, B(M1)/B(E2) ratios and energy staggering parameters in ¹⁰⁵Ag, ¹⁰⁶Ag, ¹⁰⁷Ag, ¹⁰⁸Ag, ¹⁰⁹Ag, ¹¹⁰Ag. Comparison to particle-rotor model and geometrical model based calculations. Investigated signature inversion in odd-odd and odd-A silver isotopes. Array consisting of 9 Compton-suppressed HPGe detectors, 2 planar-type HPGe detectors, and 1 clover detector at HI-13 tandem accelerator of China Institute of Atomic Energy (CIAE).

doi: 10.1103/PhysRevC.108.024314
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2022GU04      Phys.Lett. B 828, 137010 (2022)

S.Guo, X.H.Zhou, C.M.Petrache, E.A.Lawrie, S.H.Mthembu, Y.D.Fang, H.Y.Wu, H.L.Wang, H.Y.Meng, G.S.Li, Y.H.Qiang, J.G.Wang, M.L.Liu, Y.Zheng, B.Ding, W.Q.Zhang, A.Rohilla, K.R.Muhki, Y.Y.Yang, H.J.Ong, J.B.Ma, S.W.Xu, Z.Bai, H.L.Fan, J.F.Huang, J.H.Li, J.H.Xu, B.F.Lv, W.Hua, Z.G.Gan, Y.H.Zhang

Probing the nature of the conjectured low-spin wobbling bands in atomic nuclei

NUCLEAR REACTIONS ¹⁷⁵Lu(¹⁸O, 6n)¹⁸⁷Au, E=108 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, partial level scheme, B(M1)/B(E2), polarization, mixing ratios, low-spin wobbling bands. The Heavy Ion Research Facility in Lanzhou (HIRFL), China.

doi: 10.1016/j.physletb.2022.137010
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2022HA28      Phys. Rev. Res. 4, 033049 (2022)

J.Z.Han, C.Pan, K.Y.Zhang, X.F.Yang, S.Q.Zhang, J.C.Berengut, S.Goriely, H.Wang, Y.M.Yu, J.Meng, J.W.Zhang, L.J.Wang

Isotope shift factors for the Cd⁺ 5s²S_1/2 → 5p²P_3/2 transition and determination of Cd nuclear charge radii

NUCLEAR MOMENTS ^{100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130}Cd; measured frequencies; deduced atomic isotope shift factors limits, linear transformation parameters, nuclear charge radii. Comparison with CI+MBPT calculations are performed to cross-check the accuracy and reliability of the extracted atomic IS factors.

doi: 10.1103/PhysRevResearch.4.033049
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2022LI21      Phys.Rev. C 105, 044610 (2022)

S.-C.Liu, D.Koltick, H.Wang, J.Nistor, J.Heim, T.Ward

Test of nuclear decay rate variation due to an antineutrino flux

RADIOACTIVITY ⁵⁴Mn(EC); ¹³⁷Cs(β^-); measured Eγ, Iγ; deduced decay rate parameter in the presence of strong antineutrino flux and without the antineutrino flux, sensitivity to antineutrinos, upper limit of the σ sensitivity. Observed no measurable decay rate parameter variation due to an antineutrino flux. Systematics of the decay rate parameter variation measurements for ³H, ³²Si, ³⁶Cl, ⁵⁴Mn, ¹³⁷Cs, ¹⁵²Eu, ¹⁵⁴Eu, ¹⁵⁵Eu, ²²⁶Rn. HFIR at the Oak Ridge National Laboratory was used as an antineutrino source.

doi: 10.1103/PhysRevC.105.044610
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2022LI50      Nucl.Instrum.Methods Phys.Res. B529, 56 (2022)

F.-L.Liu, C.-Y.He, H.-R.Wang, N.Bo, D.Wu, T.-L.Ma, W.-S.Yang, J.-H.Wei, Z.-Q.Wang, Y.-N.Liu, M.-Z.Song, Y.-T.Liu, B.Guo, N.-Y.Wang

Thick-target yield of 17.6 MeV γ ray from the resonant reaction ⁷Li(p, γ)⁸Be at E_p =441keV

NUCLEAR REACTIONS ⁷Li(p, γ), E=441 keV; measured reaction products, Eγ, Iγ; deduced thick-target yields. Comparison with available data. The 2x1.7 MV tandem accelerator at China Institute of Atomic Energy (CIAE).

doi: 10.1016/j.nimb.2022.08.005
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2022LI72      Phys.Rev. C 106, 065804 (2022)

X.X.Li, L.X.Liu, W.Jiang, J.Ren, H.W.Wang, G.T.Fan, D.X.Wang, S.Y.Zhang, G.L.Yang, X.K.Li, Z.D.An, J.J.He, W.Luo, X.G.Cao, L.L.Song, Y.Zhang, X.R.Hu, Z.R.Hao, P.Kuang, B.Jiang, X.H.Wang, J.F.Hu, Y.D.Liu, C.W.Ma, Y.T.Wang, J.Su, L.Y.Zhang, Y.X.Yang, S.Feng, W.B.Liu, W.Q.Su, S.Jin, K.J.Chen

Experimental determination of the neutron resonance peak of ¹⁶²Er at 67.8 eV

NUCLEAR REACTIONS ¹⁶²Er(n, γ), E=20-100 eV; measured Eγ, Iγ; deduced neutron-capture yield, resonances, decay widths. Resonance parameters at 67.8 eV are extracted for the first time. R-matrix analysis. Comparison to other experimental results and ENDF/B-VIII.0 data. 4 C₆D₆ detectors. Neutron beam from Back-n Facility of the CSNS.

doi: 10.1103/PhysRevC.106.065804
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2022ME01      Phys.Rev. C 105, 014315 (2022)

H.-Y.Meng, H.-L.Wang, M.-L.Liu

Resolution of a possible misinterpretation of the nuclear excitation mode along the yrast line: An investigation on the evolution of rotation and vibration

NUCLEAR STRUCTURE ^{98,100,102,104,106,108}Mo, ^{100,102,104,106,108,110}Ru, ^{102,104,106,108,110,112}Pd, ^{104,106,108,110,112,114}Cd, ^{118,120,122,124,126,128}Ba, ^{156,158,160,162}Gd, ^{158,160,162,164}Dy, ^{170,172,174,176}Yb, ^{156,158,160,162,164,166,174,176,178,180}Hf, ^{160,162,164,166,168,170,180,182,184,186}W, ^{236,238,240,242}Pu; calculated centipede-like E-GOS curves along the yrast sequences for ¹⁰²Ru, ¹¹⁰Cd, ¹⁵⁶Gd, and ¹⁶⁰Dy, β₂ deformations, kinematic moments of inertia, total Routhian surfaces in (β₂, γ) plane, and aligned angular momenta; extracted ground-state β₂ deformations from measured electric quadrupole moments and reduced transition probabilities B(E2), E(first 4+)/E(first 2+) ratios and P factors. Centipede-like E-GOS (E-gamma over spin) empirical approach for evolution between vibration and rotation in nuclei as a function of spin. Comparison with experimental data.

doi: 10.1103/PhysRevC.105.014315
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2022ME02      Phys.Rev. C 105, 014329 (2022)

H.-Y.Meng, H.-L.Wang, M.-L.Liu

Landscape appreciation of systematic structure properties in even-even nuclei along the valley of stability

NUCLEAR STRUCTURE Z=6-100; calculated N_pN_n/(N_p+N_n) factors for even-even nuclei, plotted E(first 4+)/E(first 2+) ratio from literature. Z=10-118; calculated ground-state equilibrium deformations β₂, γ, β₄, binding energies, S(2p), S(2n) for even-even nuclei along the β-stability line. Improved potential-energy-surface (PES) approach with fitted macroscopic model parameters and compared with available experimental data, and other theoretical calculations.

COMPILATION Z=2-118; compiled and plotted experimental T_1/2 of ground states, S(2n) and S(2p) for 59 Z-chains; discussed observed trends and anomalous behavior.

doi: 10.1103/PhysRevC.105.014329
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2022PO02      Phys.Rev. C 105, L041301 (2022)

W.S.Porter, B.Ashrafkhani, J.Bergmann, C.Brown, T.Brunner, J.D.Cardona, D.Curien, I.Dedes, T.Dickel, J.Dudek, E.Dunling, G.Gwinner, Z.Hockenbery, J.D.Holt, C.Hornung, C.Izzo, A.Jacobs, A.Javaji, B.Kootte, G.Kripko-Koncz, E.M.Lykiardopoulou, T.Miyagi, I.Mukul, T.Murbock, W.R.Plass, M.P.Reiter, J.Ringuette, C.Scheidenberger, R.Silwal, C.Walls, H.L.Wang, Y.Wang, J.Yang, J.Dilling, A.A.Kwiatkowski

Mapping the N=40 island of inversion: Precision mass measurements of neutron-rich Fe isotopes

ATOMIC MASSES ^{63,64,65,65m,66,67,68,69,69m,70}Fe; measured time-of-flight; deduced mass excess, S(2n), pairing gap. Systematics of S(2n) values for Z=24–28 isotope chains. Compared to mean-field calculations employing recent Woods-Saxon Hamiltonian and results from the multishell valence-space in-medium similarity renormalization group (VS-IMSRG). Comparison to recommended values from AME2020. TITAN (TRIUMF’s Ion Trap for Atomic and Nuclear science) Multiple-Reflection Time-of- Flight Mass Spectrometer.

doi: 10.1103/PhysRevC.105.L041301
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2022SO20      Astrophys.J. 941, 56 (2022)

N.Song, S.Zhang, Z.H.Li, G.X.Li, Z.C.Gao, H.K.Wang

Influence of Neutrino-Nuclear Reactions on the Abundance of ⁷⁴Se

NUCLEAR REACTIONS ⁷⁴Ge(ν, e^-), E<60 MeV; calculated σ using experimental and theoretical B(GT).

doi: 10.3847/1538-4357/aca328
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2022WA03      Phys.Lett. B 825, 136856 (2022)

Y.Wang, F.Guan, Q.Wu, X.Diao, Y.Huang, L.M.Lyu, Y.Qin, Z.Qin, D.Si, Z.Bai, F.Duan, L.Duan, Z.Gao, Q.Hu, R.J.Hu, G.Jin, S.Jin, J.Ma, P.Ma, J.Wang, P.Wang, Y.Wang, X.Wei, H.Yang, Y.Yang, G.Yu, Y.Yu, Y.Zhang, Q.Zhou, Y.Zhang, C.Ma, X.Hu, H.Wang, Y.Cui, J.Tian, Z.Xiao

The emission order of hydrogen isotopes via correlation functions in 30 MeV/u Ar+Au reactions

NUCLEAR REACTIONS ¹⁹⁷Au(⁴⁰Ar, X)¹H/²H/³H, E=30 MeV/nucleon; measured reaction products, Ep, Ip; deduced correlation functions, emission rates. The Compact Spectrometer for Heavy IoN Experiment (CSHINE), the Heavy Ion Research Facility at Lanzhou (HIRFL).

doi: 10.1016/j.physletb.2021.136856
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2022WA10      Phys.Rev. C 105, 034912 (2022)

H.-S.Wang, G.-L.Ma, Z.-W.Lin, W.-j.Fu

Thermodynamics of partonic matter in relativistic heavy-ion collisions from a multiphase transport model

doi: 10.1103/PhysRevC.105.034912
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2022WA30      Phys.Lett. B 833, 137337 (2022)

H.-K.Wang, Z.-H.Li, Y.-B.Wang, B.Jiang

High-spin levels, β^- decay and monopole effects in A = 128 hole nuclei near ¹³²Sn

RADIOACTIVITY ¹²⁸Pd, ¹²⁸Ag, ¹²⁸Cd, ¹²⁸In(β^-); calculated log ft, high-spin energy levels, J, π with large-scale shell-model calculations with the extended pairing plus multipole-multipole force model ¹²⁸Sn; deduced monopole effects, impact on T_1/2 by monopole corrections acting on the configuration of final states, a spin-trap isomer feeding. Comparison with available data.

doi: 10.1016/j.physletb.2022.137337
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2022WA35      At.Data Nucl.Data Tables 148, 101532 (2022)

H.B.Wang, G.Jiang

Atomic structure and electron impact excitation of Al-like ions (Ga-Br)

ATOMIC PHYSICS Z=31-35; calculated fine structure levels in both the configuration interaction and close-coupling expansions using Dirac atomic R-matrix coupling (DARC). Comparison with available data.

doi: 10.1016/j.adt.2022.101532
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2022WA41      Phys.Rev. C 106, 054316 (2022)

H.K.Wang, G.X.Li, B.Jiang, Y.B.Qian

Monopole effects and spin-trap structures in neutron-rich Te isotopes

NUCLEAR STRUCTURE ^{134,135,137,136,138,139}Te; calculated levels, J, π, configurations. ^{134,135,136,138}Te; calculated B(E2). Shell-model calculation using code NUSHELL with new Hamiltonian constructed with the intruder orbit νi_13/2. Comparison to experimental data.

doi: 10.1103/PhysRevC.106.054316
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2022WA44      Phys.Rev. C 106, 064907 (2022)

H.-Sh.Wang, G.-L.Ma

Testing the collectivity in large and small colliding systems with test particles

doi: 10.1103/PhysRevC.106.064907
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2022YA11      Phys.Rev. C 105, 034348 (2022)

J.Yang, J.Dudek, I.Dedes, A.Baran, D.Curien, A.Gaamouci, A.Gozdz, A.Pedrak, D.Rouvel, H.L.Wang, J.Burkat

Exotic shape symmetries around the fourfold octupole magic number N=136: Formulation of experimental identification criteria

NUCLEAR STRUCTURE N=122-164; calculated single-particle neutron levelsand Routhians as functions of α₃₀, α₃₁, α₃₂ and α₃₃ octupole deformations; deduced very large neutron shell gaps at N=136 for all the four octupole deformations, and N=136 as a "universal or fourfold octupole magic number". ^{208,212,216,218}Pb, ^{218,220,222,224}Ra, ²²⁰Po, ²²²Rn, ²²⁴Ra, ²²⁶Th; calculated contours of projections of the total nuclear energy surfaces on (α₃₀, α₂₀) planes for all the isotopes, (α₃₁, α₂₀), (α₃₂, α₂₀), and (α₃₃, α₂₀) planes for ²¹⁸Pb, (α₃₂, α₂₀) planes for ^218,220, ^222,224Ra, and (α₃₁, α₂₀) and (α₃₂, α₂₀) planes for ²²⁰Po, ²²²Rn, ²²⁴Ra, ²²⁶Th. Discussed exotic point-group symmetries C_2ν, D_2d, T_d (tetrahedral symmetry), and D_3h in order to formulate spectroscopic criteria for experimental identifications through analysis of collective rotational bands generated by the symmetries. Macroscopic-microscopic method in multidimensional deformation spaces to analyze the expected exotic symmetries and octupole shape instabilities, tetrahedral point group symmetry, and realistic nuclear mean-field theory using phenomenological Woods-Saxon Hamiltonian combined with the Monte Carlo approach. Comparison with available experimental nuclear octupole deformations.

doi: 10.1103/PhysRevC.105.034348
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2022YA26      Phys.Rev. C 106, 054314 (2022)

J.Yang, J.Dudek, I.Dedes, A.Baran, D.Curien, A.Gaamouci, A.Gozdz, A.Pedrak, D.Rouvel, H.L.Wang

Exotic symmetries as stabilizing factors for superheavy nuclei: Symmetry-oriented generalized concept of nuclear magic numbers

NUCLEAR STRUCTURE Z=82-138, N=164-258; calculated single-particle proton and neutron energies, spherical orbital energies and shell gaps. ³¹⁴Og; calculated Monte Carlo simulated probability distributions of single-particle level position uncertainties for protons and neutrons. ³⁰⁸122; calculated proton and neutron single-particle energies as functions of the octupole deformations α₃₀, α₃₁, α₃₂ and α₃₃ in the center of Z=114-130, N=166-206 region. ³¹⁰Fl, ³¹⁴Og, ³¹⁸122, ³²²126, ³²⁶130; calculated potential-energy projection contours as functions of quadrupole deformation parameter α₂₀ and octupole deformation parameters α₃₀, α₃₁, α₃₂ and α₃₃ for ³¹⁰Fl, and α₃₂ for others. ^{296,298,300,302,304,306,308,310,312,314,316}Sg, ^{304,306,308,310,312,314,316,318,320,322,324}Fl, ³¹⁰Fl, ^{314,316,318,320,322,324,326,328,330,332,334}124, ³¹²Lv, ³¹⁴Og, ³¹⁶120, ³¹⁸122, ³²⁰124, ³²²126, ³²⁴128, ³²⁶130, ³²⁸132, ³³⁰134, ³³²136; calculated nuclear shell energies as functions of octupole deformation parameters α₃₀, α₃₁, α₃₂ and α₃₃, comparisons of nuclear shell-energies as functions of quadrupole deformation α₂₀, and octupole deformation parameters α₃₀ (pear-shaped), α₃₁, α₃₂, and α₃₃ for Z-114, N=190-210, and for N=196, Z=114-136 nuclei. ^{296,298,300,302,304,306,308,310,312,314,316}Sg, ^{314,316,318,320,322,324,326,328,330,332,334}124; calculated energies at the equilibrium before and after allowing the α₃₂ minimization. ^{280,282,284,286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320}Fl, ^{282,284,286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322}Lv, ^{284,286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324}Og, ^{286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326}120, ^{288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326,328}122, ^{290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326,328,330}124, ^{292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326,328,330,332}126, ^{294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326,328,330,332,334}128, ^{296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326,328,330,332,334,336}130; predicted quadrupole deformation α₂, components of octupole deformation α₃₀, α₃₁, α₃₂ and α₃₃ for the ground states, energy differences between the nearest quadrupole-shape minima and octupole-deformed configurations; deduced spherical or octupole deformed, with dominance of octupole-tetrahedral geometry for a majority of superheavy nuclei, which lowers the ground-state energy by up to 8 MeV. Realistic phenomenological mean-field approach with the deformed Woods-Saxon potential and macroscopic-microscopic method to examine impact of exotic shapes of nuclei associated with the four-fold octupole degrees of freedom on the stabilization of superheavy nuclei in the mass range of Z=114-130, and N=166-206.

doi: 10.1103/PhysRevC.106.054314
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2022ZH18      Phys.Scr. 97, 025303 (2022)

H.-H.Zhang, H.-L.Wang, H.i-Y.Meng, M.-L.Liu, B.Ding

Impact of the Coriolis interaction on the potential landscape evolution across the nuclide chart: Systematic total-Routhian-surface calculations

NUCLEAR STRUCTURE Z>20; analyzed available data; deduced rotational structure properties along the yrast line for 766 observed even-even nuclei in thenuclide chart by means of the approach of pairing-deformation self-consistent total Routhian surface calculations in three-dimensional deformation space.

doi: 10.1088/1402-4896/ac49ae
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2021BA28      Phys.Rev. C 103, 064318 (2021)

D.Bazin, N.Aoi, H.Baba, J.Chen, H.Crawford, P.Doornenbal, P.Fallon, K.Li, J.Lee, M.Matsushita, T.Motobayashi, H.Sakurai, H.Scheit, D.Steppenbeck, R.Stroberg, S.Takeuchi, H.Wang, K.Yoneda, C.X.Yuan

Spectroscopy of ³³Mg with knockout reactions

NUCLEAR REACTIONS ⁹Be(³⁴Mg, n)³³Mg, E=242.5 MeV/nucleon; ⁹Be(³⁴Al, p)³³Mg, E=229.6 MeV/nucleon, [secondary ³⁴Mg and ³⁴Al beams from ⁹Be(⁴⁸Ca, X), E=345 MeV/nucleon primary reaction, followed by separation of fragments of interest using BigRIPS spectrometer at RIBF-RIKEN facility]; measured reaction products and particle identification plot (PID), outgoing ³³Mg particles by ZeroDegree spectrometer (ZDS), Eγ, Iγ, (³³Mg)γ-coin, parallel momentum distributions using DALI2 array of NaI(Tl) scintillators. ³³Mg; deduced levels, J, π, l-transfers, partial σ and compared with eikonal reaction theory, spectroscopic factors; calculated levels, J, π using large-scale shell model with IMSRG, SDPF-MU, SDPF-U-SI and SDPF-U-MIX interactions.

doi: 10.1103/PhysRevC.103.064318
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2021BE23      Phys.Rev.Lett. 127, 112501 (2021)

S.Beck, B.Kootte, I.Dedes, T.Dickel, A.A.Kwiatkowski, E.M.Lykiardopoulou, W.R.Plass, M.P.Reiter, C.Andreoiu, J.Bergmann, T.Brunner, D.Curien, J.Dilling, J.Dudek, E.Dunling, J.Flowerdew, A.Gaamouci, L.Graham, G.Gwinner, A.Jacobs, R.Klawitter, Y.Lan, E.Leistenschneider, N.Minkov, V.Monier, I.Mukul, S.F.Paul, C.Scheidenberger, R.I.Thompson, J.L.Tracy, Jr., M.Vansteenkiste, H.-L.Wang, M.E.Wieser, C.Will, J.Yang

Mass Measurements of Neutron-Deficient Yb Isotopes and Nuclear Structure at the Extreme Proton-Rich Side of the N=82 Shell

ATOMIC MASSES ^{150,151,152,153,154,155,156}Yb; measured frequencies, TOF; deduced mass excess values. Comparison with systematics, AME2020 evaluation. TITAN's multiple-reflection time-of-flight mass spectrometer (MR-TOF-MS).

RADIOACTIVITY ¹⁵¹Yb(IT); measured decay products; deduced excitation energy.

doi: 10.1103/PhysRevLett.127.112501
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2021DI09      Phys.Rev. C 104, 064304 (2021)

B.Ding, C.M.Petrache, S.Guo, E.A.Lawrie, I.Wakudyanaye, Z.H.Zhang, H.L.Wang, H.Y.Meng, D.Mengoni, Y.H.Qiang, J.G.Wang, C.Andreoiu, A.Astier, A.Avaa, T.Back, R.A.Bark, D.Bazzacco, A.Boso, T.D.Bucher, B.Cederwall, M.V.Chisapi, H.L.Fan, F.Galtarossa, F.H.Garcia, A.Goasduff, G.Jaworski, P.Jones, I.Kuti, J.J.Lawrie, G.S.Li, R.Li, M.L.Liu, Z.Liu, B.Lomberg, B.F.Lv, T.Marchlewski, L.Mdletshe, L.Msebi, S.H.Mthembu, D.R.Napoli, A.Netshiya, M.F.Nkalanga, J.N.Orce, K.Ortner, F.Recchia, S.Riccetto, A.Rohilla, T.W.Seakamela, M.Siciliano, M.A.Sithole, D.Sohler, J.Srebrny, D.Testov, A.Tucholski, J.J.Valiente-Dobon, F.Wentzel, K.Whitmore, Y.H.Zhang, K.K.Zheng, X.H.Zhou, B.R.Zikhali

Signature splitting of the g_7/2 [404] 7/2⁺ bands in ¹³¹Ba and ¹³³Ce

NUCLEAR REACTIONS ¹²²Sn(¹³C, 4nγ)¹³¹Ba, E=65 MeV from XTU Tandem accelerator at LNL-Legnaro; ¹²⁵Te(¹²C, 4nγ)¹³³Ce, E=57 MeV from separated sector cyclotron of iThemba LABS; measured Eγ, Iγ, γγ-coin, γγ(θ) using GALILEO array of 25 Compton-suppressed HPGe detectors, EUCLIDES silicon ball for charged particles and the Neutron Wall array for neutrons for ¹³¹Ba at Legnaro, and AFRODITE array of eight Compton-suppressed clover detectors for ¹³³Ce at iThemba LABS. ¹³¹Ba, ¹³³Ce; deduced high-spin levels, multipolarities, J, π, bands, quasiparticle alignments, dynamical moments of inertia, signature splittings and configurations. Comparison with cranked shell model and quasiparticle-plus-triaxial-rotor model calculations.

doi: 10.1103/PhysRevC.104.064304
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2021GA18      Phys.Rev. C 103, 054311 (2021)

A.Gaamouci, I.Dedes, J.Dudek, A.Baran, N.Benhamouda, D.Curien, H.L.Wang, J.Yang

Exotic toroidal and superdeformed configurations in light atomic nuclei: Predictions using a mean-field Hamiltonian without parametric correlations

NUCLEAR STRUCTURE ²⁸Si, ^28,30,38,40Si, ^32,40,42S, ³⁶Ar, ⁴⁰Ca, ⁴⁴Ti, ⁴⁸Cr, ⁵⁶Ni, ^52,56Fe, ^82,84,100Zr; A≈30-50; calculated nuclear potential energy surfaces in (α₂₀, α₄₀) and (β₂cos(γ+30°)), (β₂sin(γ+30°)) planes using mean-field calculations in multidimensional deformation spaces with phenomenological Woods-Saxon Hamiltonian, Monte-Carlo Hamiltonian parameter adjustments based on doubly-magic spherical nuclei: ¹⁶O, ⁴⁰Ca, ⁴⁸Ca, ⁵⁶Ni, ⁹⁰Zr, ¹³²Sn, ¹⁴⁶Gd and ²⁰⁸Pb, parametric-correlation removal; tested parametric uncertainties, theoretical prediction uncertainty propagation with nucleon numbers; generated nuclear shape coexistence, low-energy toroidal shape excitations, superdeformed oblate and prolate shapes, exotic shapes and isomers. Comparison with available experimental information for deformation parameters.

doi: 10.1103/PhysRevC.103.054311
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2021LI58      Phys.Rev. C 104, 044331 (2021)

B.D.Linh, A.Corsi, A.Gillibert, A.Obertelli, P.Doornenbal, C.Barbieri, S.Chen, L.X.Chung, T.Duguet, M.Gomez-Ramos, J.D.Holt, A.Moro, P.Navratil, K.Ogata, N.T.T.Phuc, N.Shimizu, V.Soma, Y.Utsuno, N.L.Achouri, H.Baba, F.Browne, D.Calvet, F.Chateau, N.Chiga, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, H.N.Liu, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, O.Aktas, T.Aumann, F.Flavigny, S.Franchoo, I.Gasparic, R.-B.Gerst, J.Gibelin, K.I.Hahn, N.T.Khai, D.Kim, T.Koiwai, Y.Kondo, P.Koseoglou, J.Lee, C.Lehr, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, D.Sohler, P.-A.Soderstrom, S.Takeuchi, N.D.Ton, H.Tornqvist, V.Vaquero, V.Wagner, H.Wang, V.Werner, X.Xu, Y.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti

Investigation of the ground-state spin inversion in the neutron-rich ^{47, 49}Cl isotopes

NUCLEAR REACTIONS ¹H(⁵⁰Ar, 2p)⁴⁹Cl, (⁵⁰Ar, 2n2p)⁴⁷Cl; ¹H(⁵²K, n3p)⁴⁹Cl; ¹H(⁴⁸Cl, np)⁴⁷Cl, [secondary ion beams from ⁹Be(⁷⁰Zn, X), E=345 MeV/nucleon primary reaction at RIBF-RIKEN facility, followed by separation of ions by BigRIPS separator using Bπ-ΔE-TOF measurement and MINOS hydrogen target system]; measured reaction products, A/Q versus Z plot, scattered ions of ⁴⁷Cl and ⁴⁹Cl using the SAMURAI spectrometer and identified by A/Q and Z, Eγ, Iγ, γγ-coin using DALI2+ array of 226 NaI(Tl) detectors. ^47,49Cl; deduced levels, J and π for ⁴⁹Cl, parallel and transverse momentum distributions and L-transfers for ⁴⁹Cl, inclusive cross sections. Comparison of experimental level structure with shell-model calculations using SDPF-MU interactions, and IMSRG calculation. Comparison of momentum distributions with distorted-wave impulse approximation (DWIA), and transfer to continuum (TC) methods. Comparison of inclusive cross sections with LISE++ theoretical calculations. ⁴⁹Cl; calculated levels, J, π, T_1/2 of levels, B(E2), B(M1) using SDFP-MU shell-model. ^45,47,49Cl; calculated levels, J, π, spectroscopic factors using shell-model and ab initio approaches. ^41,43,45,47Cl; spin inversion issue not settled. Comparison of experimental and theoretical (from CGF) energy difference between the first 1/2+ and 3/2+ states in ^{35,36,37,38,39,40,41,43,45,47,49,51,53}Cl, ^{37,38,39,40,41,43,45,47,49,51,53,55}K.

doi: 10.1103/PhysRevC.104.044331
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2021LI61      Phys.Rev. C 104, 054302 (2021)

X.X.Li, L.X.Liu, W.Jiang, J.Ren, H.W.Wang, G.T.Fan, X.G.Cao, Y.Zhang, X.R.Hu, Z.R.Hao, P.Kuang, B.Jiang, X.H.Wang, J.F.Hu, J.C.Wang, D.X.Wang, S.Y.Zhang, Y.D.Liu, X.Ma, C.W.Ma, Y.T.Wang, Z.D.An, J.J.He, J.Su, L.Y.Zhang, Y.X.Yang, W.B.Liu, W.Q.Su

New experimental measurement of ^natEr(n, γ) cross sections between 1 and 100 eV

NUCLEAR REACTIONS ^{162,164,166,167,168,170}Er, ^12,13C, ¹⁹⁷Au(n, γ), E=0.001-100 keV; measured E(n), I(n), Eγ, Iγ using C₆D₆ liquid scintillator and a silicon monitor and natural Er, C and Au targets at the China spallation neutron source (CSNS) facility; deduced neutron-capture σ(E), capture yields as function of E(n), neutron resonances in Er isotopes in the 1-100 eV region. ^{162,164,166,167,168}Er; deduced energies of 43 neutron resonances (nine for ¹⁶²Er, five for ¹⁶⁴Er, three for ¹⁶⁶Er, 25 for ¹⁶⁷Er, one for ¹⁶⁸Er), cross sections, widths Γ_γ and Γ_n by R-matrix analysis. Comparison with previous experimental data, and with data in evaluated databases ENDF/B-VIII.0, ENDF/B-VII.1, JENDL-4.0, and ROSFOND-2010.

doi: 10.1103/PhysRevC.104.054302
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2021MA15      Phys.Rev. C 103, 024302 (2021)

K.Y.Ma, H.Wang, H.N.Pan, J.B.Lu, Y.J.Ma, D.Yang, Q.Y.Yang, X.Guan, J.Q.Wang, S.Y.Liu, H.C.Zhang, X.G.Wu, Y.Zheng, C.B.Li

High-spin states and possible chirality in odd-odd ¹¹⁰Ag

NUCLEAR REACTIONS ¹¹⁰Pd(⁷Li, 3nα)¹¹⁰Ag, E=46 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using Compton-suppressed HPGe detectors, two planar-type HPGe detectors, and one clover HPGe detector at the HI-13 tandem accelerator of CIAE-Beijing. ¹¹⁰Ag; deduced high-spin levels, J, π, bands, multipolarities, alignments, configurations, moment of inertia plots, staggering parameters, B(M1)/B(E2), chiral doublet bands. Comparison with Cranked shell model calculations.

doi: 10.1103/PhysRevC.103.024302
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2021WA17      Chin.Phys.C 45, 014001 (2021)

H.Wang, K.-Y.Ma, Y.-H.Wu, Y.-F.Lv, H.-N.Pan, J.-B.Lu

Multi-quasiparticle excitations and the impact of the high-j intruder orbital in the N = 51 ⁹³Mo nucleus

NUCLEAR STRUCTURE ⁹³Mo; calculated levels energies J, π, occupation numbers using Large Scale Shell Model. Comparison with experimental data.

doi: 10.1088/1674-1137/abc0cb
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2021WA34      Phys.Rev. C 104, 014301 (2021)

H.K.Wang, Z.Q.Chen, H.Jin, Z.H.Li, G.S.Li, Y.M.Feng, Q.Wang

Ground state inversions in hole nuclei near ¹³²Sn driven by the monopole interaction

NUCLEAR STRUCTURE ^125,127Pd; ^126,128Ag; ^127,129Cd; ^128,130In; calculated ground-state inversions in each pair of nuclei. ¹²⁸In; calculated low-lying levels, J, π, monopole effects in 3+ and 1- levels. ¹²⁵Pd, ¹²⁶Ag, ¹²⁷Cd, ¹²⁸In; calculated variation of configurations in the ground states of N=79 isotones with the monopole effects included, comparison of 1- and 3+ states in ¹²⁶Ag and ¹²⁸In with monopole effects. ¹²⁶Pd, ¹²⁸Cd, ¹²⁹In; calculated monopole effects in negative-parity levels of the N=80 isotones. Large-scale, shell-model calculations with the extended pairing plus multipole-multipole force (EPQQM) model, and compared with experimental data and with results from jj45pna interaction.

doi: 10.1103/PhysRevC.104.014301
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2021WA44      Chin.Phys.C 45, 094106 (2021)

H.Wang, K.-Y.Ma, S.-Y.Liu, J.-B.Lu

Core breaking and possible magnetic rotation in the semimagic nucleus ⁹⁰Zr

NUCLEAR STRUCTURE ⁹⁰Zr; calculated wave functions, J, π, level energies, angular momenta, B(M1) in terms of large scale shell model. Comparison with available data.

doi: 10.1088/1674-1137/ac0fd2
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2021WA49      Phys.Lett. B 823, 136766 (2021)

H.Watanabe, C.X.Yuan, G.Lorusso, S.Nishimura, Z.Y.Xu, T.Sumikama, P.-A.Soderstrom, P.Doornenbal, F.Browne, G.Gey, H.S.Jung, J.Taprogge, Zs.Vajta, H.K.Wang, J.Wu, A.Yagi, H.Baba, G.Benzoni, K.Y.Chae, F.C.L.Crespi, N.Fukuda, R.Gernhauser, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, G.D.Kim, Y.K.Kim, I.Kojouharov, F.G.Kondev, T.Kubo, N.Kurz, Y.K.Kwon, G.J.Lane, Z.Li, C.-B.Moon, A.Montaner-Piza, K.Moschner, F.Naqvi, M.Niikura, H.Nishibata, D.Nishimura, A.Odahara, R.Orlandi, Z.Patel, Zs.Podolyak, H.Sakurai, H.Schaffner, G.S.Simpson, K.Steiger, H.Suzuki, H.Takeda, A.Wendt, K.Yoshinaga

Impact of shell evolution on Gamow-Teller β decay from a high-spin long-lived isomer in ¹²⁷Ag

RADIOACTIVITY ¹²⁷Cd(EC), ¹²⁷Ag(IT) [from ⁹Be(²³⁸U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ, γ-γ-coin.; deduced γ -ray energies and intensities, J, π, B(GT), isomeric T_1/2. Comparison with shell model calculations.

doi: 10.1016/j.physletb.2021.136766
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2020FR06      Phys.Rev.Lett. 125, 012501 (2020)

A.Frotscher, M.Gomez-Ramos, A.Obertelli, P.Doornenbal, G.Authelet, H.Baba, D.Calvet, F.Chateau, S.Chen, A.Corsi, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, T.Isobe, V.Lapoux, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, H.Otsu, N.Paul, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, C.Santamaria, M.Sasano, Y.Shiga, N.Shimizu, D.Steppenbeck, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, T.Ando, T.Arici, A.Blazhev, F.Browne, A.M.Bruce, R.Carroll, L.X.Chung, M.L.Cortes, M.Dewald, B.Ding, Zs.Dombradi, F.Flavigny, S.Franchoo, F.Giacoppo, M.Gorska, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, A.Jungclaus, J.Lee, M.Lettmann, B.D.Linh, J.Liu, Z.Liu, C.Lizarazo, C.Louchart, R.Lozeva, K.Matsui, T.Miyazaki, K.Moschner, S.Nagamine, N.Nakatsuka, C.Nita, S.Nishimura, C.R.Nobs, L.Olivier, S.Ota, Z.Patel, Zs.Podolyak, M.Rudigier, E.Sahin, T.Y.Saito, C.Shand, P.-A.Soderstrom, I.G.Stefan, T.Sumikama, D.Suzuki, R.Orlandi, V.Vaquero, Zs.Vajta, V.Werner, K.Wimmer, J.Wu, Z.Xu

Sequential Nature of (p, 3p) Two-Proton Knockout from Neutron-Rich Nuclei

NUCLEAR REACTIONS ¹H(¹⁰¹Sr, 3p), (⁷⁵Zn, 3p), (⁸¹Ga, 3p)⁷⁹Cu, (⁸¹Ga, 2p)⁸⁰Zn, E ∼ 205 MeV/nucleon; measured reaction products, Ep, Ip; deduced σ.

doi: 10.1103/PhysRevLett.125.012501
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2020GO06      Phys.Rev. C 102, 014323 (2020)

A.Gottardo, G.de Angelis, P.Doornenbal, L.Coraggio, A.Gargano, N.Itaco, K.Kaneko, P.Van Isacker, T.Furumoto, G.Benzoni, J.Lee, H.Liu, M.Matsushita, D.Mengoni, V.Modamio-Hoybjor, S.Momiyama, T.Motobayashi, D.R.Napoli, M.Niikura, E.Sahin, Y.Shiga, H.Sakurai, R.Taniuchi, S.Takeuchi, H.Wang, J.J.Valiente-Dobon, R.Avigo, H.Baba, N.Blasi, F.L.Bello Garrote, F.Browne, F.C.L.Crespi, S.Ceruti, R.Daido, M.-C.Delattre, D.Fang, Zs.Dombradi, T.Isobe, I.Kuti, G.Lorusso, K.Matsui, B.Melon, T.Miyazaki, S.Nishimura, R.Orlandi, Z.Patel, S.Rice, L.Sinclair, P.A.Soderstrom, D.Sohler, T.Sumikama, J.Taprogge, Zs.Vajta, H.Watanabe, O.Wieland, J.Wu, Z.Y.Xu, M.Yalcinkaya, R.Yokoyama

Transition strengths in the neutron-rich ^{73, 74, 75}Ni isotopes

NUCLEAR REACTIONS Pb(⁷³Ni, ⁷³Ni'), (⁷⁴Ni, ⁷⁴Ni'), (⁷⁵Ni, ⁷⁵Ni'), E=215 MeV/nucleon, [secondary cocktail beam from ⁹Be(²³⁸U, F), E=345 MeV/nucleon, and separated by A/Q using the BigRIPS fragment separator at RIBF-RIKEN facility]; measured reaction products identified by the ZeroDegree spectrometer, Eγ, Iγ, (scattered Ni nuclei)γ-coin using the WAS3Abi-EURICA setup with the DALI2 NaI(Tl) array for γ detection. ^73,74,75Ni; deduced levels, J, π, B(E2) from Coulomb excitation cross sections. Comparison with large-scale shell model calculations.

doi: 10.1103/PhysRevC.102.014323
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2020LO06      Phys.Rev. C 101, 034314 (2020)

T.Lokotko, S.Leblond, J.Lee, P.Doornenbal, A.Obertelli, A.Poves, F.Nowacki, K.Ogata, K.Yoshida, G.Authelet, H.Baba, D.Calvet, F.Chateau, S.Chen, A.Corsi, A.Delbart, J.-M.Gheller, A.Gillibert, T.Isobe, V.Lapoux, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, H.Otsu, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, C.Santamaria, Z.Y.Xu, M.Sasano, Y.Shiga, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, V.Werner, F.Browne, L.X.Chung, Zs.Dombradi, S.Franchoo, F.Giacoppo, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, M.Lettmann, C.Louchart, R.Lozeva, K.Matsui, T.Miyazaki, S.Nishimura, L.Olivier, S.Ota, Z.Patel, E.Sahin, C.Shand, P.-A.Soderstrom, I.Stefan, D.Steppenbeck, T.Sumikama, D.Suzuki, Zs.Vajta, J.Wu

Shell structure of the neutron-rich isotopes ^{69, 71, 73}Co

NUCLEAR REACTIONS ¹H(⁷⁰Ni, 2p), E=252 MeV/nucleon; ¹H(⁷²Ni, 2p), E=241 MeV/nucleon; ¹H(⁷⁴Ni, 2p), E=234 MeV/nucleon, [secondary beams from ⁹Be(²³⁸U, X), E=345 MeV/nucleon]; measured reaction products, Eγ, Iγ, γγ-coin, inclusive and exclusive σ using the DALI2 NaI(Tl) detector array for γ detection, the MINOS time-projection-chamber for p detection, the BigRIPS separator for secondary beam identification, and ZeroDegree spectrometer for reaction product identification at RIBF-RIKEN. ^69,71,73Co; deduced levels, J, π, configurations, half-life estimates of three low energy transitions in ⁶⁹Co. Distorted-wave impulse approximation (DWIA) analysis for cross sections. Comparison with shell model calculations using the Lenzi-Nowacki-Poves-Sieja LNPS and PFSDG-U interactions, and with previous experimental data.

doi: 10.1103/PhysRevC.101.034314
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2020MA41      Eur.Phys.J. A 56, 209 (2020)

K.Y.Ma, J.B.Lu, J.Li, Y.J.Ma, D.Yang, W.J.Sun, Q.Y.Yang, X.Guan, J.Q.Wang, H.N.Pan, H.Wang, T.F.Cui, D.M.Zhang, L.H.Zhu, X.G.Wu, Y.Zheng, C.B.Li

Candidate magnetic rotational band in ¹⁰⁹Ag

NUCLEAR REACTIONS ¹¹⁰Pd(⁷Li, 4nα)¹⁰⁹Ag, E=46 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and intensities, J, π, level scheme, bands, momenta, B(M1)/B(E2) ratios.

doi: 10.1140/epja/s10050-020-00213-w
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2020MA47      J.Phys.(London) G47, 085106 (2020)

K.Y.Ma, J.B.Lu, J.Li, D.Yang, Y.J.Ma, W.J.Sun, J.Q.Wang, Q.Y.Yang, H.Wang, H.N.Pan, D.M.Zhang, L.H.Zhu, X.G.Wu, Y.Zheng, C.B.Li

Possible 'stapler' band in ¹⁰⁹Ag nucleus

NUCLEAR REACTIONS ¹¹⁰Pd(⁷Li, X)¹⁰⁹Ag, E=46 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, multipolarities, J, π, negative-parity band. Comparison with theoretical calculations.

doi: 10.1088/1361-6471/ab920c
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2020SH20      Chin.Phys.C 44, 094108 (2020)

H.Shi, X.-B.Wang, G.-X.Dong, H.Wang

Abnormal odd-even staggering behavior around ¹³²Sn studied by density functional theory

NUCLEAR STRUCTURE ^{120,122,124,126,128,130,132,134,136,138,140}Sn; calculated neutron pairing gap, abnormal odd-even staggering.

doi: 10.1088/1674-1137/44/9/094108
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2020SU16      Phys.Rev. C 101, 064623 (2020)

X.H.Sun, H.Wang, H.Otsu, H.Sakurai, D.S.Ahn, M.Aikawa, N.Fukuda, T.Isobe, S.Kawakami, S.Koyama, T.Kubo, S.Kubono, G.Lorusso, Y.Maeda, A.Makinaga, S.Momiyama, K.Nakano, S.Nakayama, M.Niikura, Y.Shiga, P.-A.Soderstrom, H.Suzuki, H.Takeda, S.Takeuchi, R.Taniuchi, Ya.Watanabe, Yu.Watanabe, H.Yamasaki, X.F.Yang, Y.L.Ye, K.Yoshida

Spallation and fragmentation cross sections for 168 MeV/nucleon ¹³⁶Xe ions on proton, deuteron, and carbon targets

NUCLEAR REACTIONS ^1,2H, C(¹³⁶Xe, X), E=168 MeV/nucleon, ⁸⁹Zr/⁹⁰Zr/⁹¹Zr/⁹²Zr/⁹³Zr/⁹⁴Zr/⁹¹Nb/⁹²Nb/⁹³Nb/⁹⁴Nb/⁹⁵Nb/⁹⁶Nb/⁹³Mo/⁹⁴Mo/⁹⁵Mo/⁹⁶Mo/⁹⁷Mo/⁹⁸Mo/⁹⁹Mo/⁹⁶Tc/⁹⁷Tc/⁹⁸Tc/⁹⁹Tc/¹⁰⁰Tc/¹⁰¹Tc/¹⁰²Tc/⁹⁷Ru/⁹⁸Ru/⁹⁹Ru/¹⁰⁰Ru/¹⁰¹Ru/¹⁰²Ru/¹⁰³Ru/¹⁰⁴Ru/¹⁰⁵Ru/¹⁰⁶Ru/⁹⁹Rh/¹⁰⁰Rh/¹⁰¹Rh/¹⁰²Rh/¹⁰³Rh/¹⁰⁴Rh/¹⁰⁵Rh/¹⁰⁶Rh/¹⁰⁷Rh/¹⁰⁸Rh/¹⁰²Pd/¹⁰³Pd/¹⁰⁴Pd/¹⁰⁵Pd/¹⁰⁶Pd/¹⁰⁷Pd/¹⁰⁸Pd/¹⁰⁹Pd/¹¹⁰Pd/¹⁰⁴Ag/¹⁰⁵Ag/¹⁰⁶Ag/¹⁰⁷Ag/¹⁰⁸Ag/¹⁰⁹Ag/¹¹⁰Ag/¹¹¹Ag/¹¹²Ag/¹¹³Ag/¹¹⁴Ag/¹⁰⁷Cd/¹⁰⁸Cd/¹⁰⁹Cd/¹¹⁰Cd/¹¹¹Cd/¹¹²Cd/¹¹³Cd/¹¹⁴Cd/¹¹⁵Cd/¹¹⁶Cd/¹⁰⁹In/¹¹⁰In/¹¹¹In/¹¹²In/¹¹³In/¹¹⁴In/¹¹⁵In/¹¹⁶In/¹¹⁷In/¹¹⁸In/¹¹⁹In/¹¹¹Sn/¹¹²Sn/¹¹³Sn/¹¹⁴Sn/¹¹⁵Sn/¹¹⁶Sn/¹¹⁷Sn/¹¹⁸Sn/¹¹⁹Sn/¹²⁰Sn/¹²¹Sn/¹²²Sn/¹¹³Sb/¹¹⁴Sb/¹¹⁵Sb/¹¹⁶Sb/¹¹⁷Sb/¹¹⁸Sb/¹¹⁹Sb/¹²⁰Sb/¹²¹Sb/¹²²Sb/¹²³Sb/¹²⁴Sb/¹²⁵Sb/¹¹⁶Te/¹¹⁷Te/¹¹⁸Te/¹¹⁹Te/¹²⁰Te/¹²¹Te/¹²²Te/¹²³Te/¹²⁴Te/¹²⁵Te/¹²⁶Te/¹²⁷Te/¹²⁸Te/¹²⁹Te/¹³⁰Te/¹³¹Te/¹³²Te/¹³³Te/¹³⁴Te/¹¹⁸I/¹¹⁹I/¹²⁰I/¹²¹I/¹²²I/¹²³I/¹²⁴I/¹²⁵I/¹²⁶I/¹²⁷I/¹²⁸I/¹²⁹I/¹³⁰I/¹³¹I/¹³²I/¹³³I/¹³⁴I/¹³⁵I/¹²¹Xe/¹²²Xe/¹²³Xe/¹²⁴Xe/¹²⁵Xe/¹²⁶Xe/¹²⁷Xe/¹²⁸Xe/¹²⁹Xe/¹³⁰Xe/¹³¹Xe/¹³²Xe/¹³³Xe/¹³⁴Xe/¹³⁵Xe/¹²³Cs/¹²⁴Cs/¹²⁵Cs/¹²⁶Cs/¹²⁷Cs/¹²⁸Cs/¹²⁹Cs/¹³⁰Cs/¹³¹Cs/¹³²Cs/¹³³Cs/¹³⁴Cs/¹³⁵Cs/¹³⁶Cs, [secondary ¹³⁶Xe beam from ⁹Be(²³⁸U, F), E=345 MeV/nucleon primary reaction]; measured reaction products using the BigRIPS separator and ZeroDegree spectrometer at RIBF-RIKEN facility; deduced isotopic production σ and total σ by analyzing the data using the Particle and Heavy Ion Transport code System (PHITS) including dynamical and intranuclear cascade processes and evaporation process, the semi-empirical parametrization for residue cross sections in spallation reactions (SPACS), empirical parametrization of fragmentation cross sections (EPAX), and the deuteron-induced reaction analysis code system (DEURACS) incorporating the deuteron breakup effect. Comparison with theoretical calculations using the JQMD+GEM and INCL+GEM codes.

doi: 10.1103/PhysRevC.101.064623
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2020VA01      Phys.Rev.Lett. 124, 022501 (2020)

V.Vaquero, A.Jungclaus, T.Aumann, J.Tscheuschner, E.V.Litvinova, J.A.Tostevin, H.Baba, D.S.Ahn, R.Avigo, K.Boretzky, A.Bracco, C.Caesar, F.Camera, S.Chen, V.Derya, P.Doornenbal, J.Endres, N.Fukuda, U.Garg, A.Giaz, M.N.Harakeh, M.Heil, A.Horvat, K.Ieki, N.Imai, N.Inabe, N.Kalantar-Nayestanaki, N.Kobayashi, Y.Kondo, S.Koyama, T.Kubo, I.Martel, M.Matsushita, B.Million, T.Motobayashi, T.Nakamura, N.Nakatsuka, M.Nishimura, S.Nishimura, S.Ota, H.Otsu, T.Ozaki, M.Petri, R.Reifarth, J.L.Rodriguez-Sanchez, D.Rossi, A.T.Saito, H.Sakurai, D.Savran, H.Scheit, F.Schindler, P.Schrock, D.Semmler, Y.Shiga, M.Shikata, Y.Shimizu, H.Simon, D.Steppenbeck, H.Suzuki, T.Sumikama, D.Symochko, I.Syndikus, H.Takeda, S.Takeuchi, R.Taniuchi, Y.Togano, J.Tsubota, H.Wang, O.Wieland, K.Yoneda, J.Zenihiro, A.Zilges

Fragmentation of Single-Particle Strength around the Doubly Magic Nucleus ¹³²Sn and the Position of the 0f_5/2 Proton-Hole State in ¹³¹In

NUCLEAR REACTIONS ⁴He(¹³²Sn, n), (¹³²Sn, p), E=203 MeV/nucleon; ⁹Be(²³⁸U, X)¹³²Sn, E=345 MeV/nucleon; measured reaction products, Eγ, Iγ. ¹³¹Sn, ¹³¹In; deduced γ-ray energies, spectroscopic factors, strong fragmentation of single-hole strength. Comparison with theoretical calculations.

doi: 10.1103/physrevlett.124.022501
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2020WA31      Phys.Rev. C 102, 054316 (2020)

H.K.Wang, S.K.Ghorui, Z.Q.Chen, Z.H.Li

Analysis of low-lying states, neutron-core excitations, and electromagnetic transitions in tellurium isotopes ^130-134Te

NUCLEAR STRUCTURE ^{130,131,132,133,134}Te; calculated levels, J, π, neutron-core excitations (NCEs), percentage configurations as a function of spin, B(E2), B(M1), B(E1), B(M2), B(E3), B(M4). Large-scale shell-model calculations with the extended pairing plus multipole-multipole force (EPQQM model). Comparison with experimental data.

doi: 10.1103/PhysRevC.102.054316
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2019CH24      Phys.Rev.Lett. 122, 212502 (2019)

Z.Q.Chen, Z.H.Li, H.Hua, H.Watanabe, C.X.Yuan, S.Q.Zhang, G.Lorusso, S.Nishimura, H.Baba, F.Browne, G.Benzoni, K.Y.Chae, F.C.L.Crespi, P.Doornenbal, N.Fukuda, G.Gey, R.Gernhauser, N.Inabe, T.Isobe, D.X.Jiang, A.Jungclaus, H.S.Jung, Y.Jin, D.Kameda, G.D.Kim, Y.K.Kim, I.Kojouharov, F.G.Kondev, T.Kubo, N.Kurz, Y.K.Kwon, X.Q.Li, J.L.Lou, G.J.Lane, C.G.Li, D.W.Luo, A.Montaner-Piza, K.Moschner, C.Y.Niu, F.Naqvi, M.Niikura, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, Z.Podolyak, T.Sumikama, P.-A.Soderstrom, H.Sakurai, H.Schaffner, G.S.Simpson, K.Steiger, H.Suzuki, J.Taprogge, H.Takeda, Zs.Vajta, H.K.Wang, J.Wu, A.Wendt, C.G.Wang, H.Y.Wu, X.Wang, C.G.Wu, C.Xu, Z.Y.Xu, A.Yagi, Y.L.Ye, K.Yoshinaga

Proton Shell Evolution below ¹³²Sn : First Measurement of Low-Lying β-Emitting Isomers in ^{123, 125}Ag

RADIOACTIVITY ^123,125Pd(β^-) [from Be(²³⁸U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced energy levels, J, π. Comparison with shell-model calculations.

doi: 10.1103/PhysRevLett.122.212502
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2019CH35      Phys.Rev. C 100, 024321 (2019)

Y.-Y.Cheng, H.Wang, J.-J.Shen, X.-R.Zhou, Y.-M.Zhao, A.Arima

Nucleon-pair picture of low-lying states in semi-magic and open-shell nuclei

NUCLEAR STRUCTURE ^{43,44,45,46,47,48}Ca, ¹³⁰Pd, ¹³¹Ag, ¹³²Cd; calculated level energies vs spin for negative-parity yrast states of odd-mass Ca and positive-parity yrast states for even mass Ca isotopes, overlaps between one-dimensional nucleon-pair wave functions and corresponding shell-model wave functions, nucleon-pair wave functions using the framework of nucleon-pair approximation (NPA) of the shell model. Comparison with experimental data.

doi: 10.1103/PhysRevC.100.024321
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2019CR02      Phys.Rev.Lett. 122, 052501 (2019)

H.L.Crawford, P.Fallon, A.O.Macchiavelli, P.Doornenbal, N.Aoi, F.Browne, C.M.Campbell, S.Chen, R.M.Clark, M.L.Cortes, M.Cromaz, E.Ideguchi, M.D.Jones, R.Kanungo, M.MacCormick, S.Momiyama, I.Murray, M.Niikura, S.Paschalis, M.Petri, H.Sakurai, M.Salathe, P.Schrock, D.Steppenbeck, S.Takeuchi, Y.K.Tanaka, R.Taniuchi, H.Wang, K.Wimmer

First Spectroscopy of the Near Drip-line Nucleus ⁴⁰Mg

NUCLEAR REACTIONS C(⁴¹Ar, X)⁴⁰Mg, (⁴⁰Ar, X)³⁸Mg/³⁶Mg, E<345 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π. Comparison with shell-model calculations.

doi: 10.1103/PhysRevLett.122.052501
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2019DU22      Acta Phys.Pol. B50, 685 (2019)

J.Dudek, I.Dedes, J.Yang, A.Baran, D.Curien, T.Dickel, A.Gozdz, D.Rouvel, H.L.Wang

High-rank Symmetries in Nuclei: Challenges for Prediction Capacities of the Nuclear Mean-field Theories

NUCLEAR STRUCTURE ²²⁶Th; calculated total nuclear energy surfaces. Discussed the possible structure of rotational bands in cases of tetrahedral and octahedral nuclear symmetries. Mean-field approach with the phenomenological “universal” Woods–Saxon Hamiltonian.

doi: 10.5506/aphyspolb.50.685
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2019JI11      Phys.Rev. C 100, 064316 (2019)

H.Jin, S.Tazaki, K.Kaneko, H.-K.Wang, Y.Sun

High-spin states of the N=82 isotones ¹³⁶Xe, ¹³⁷Cs, and ¹³⁸Ba: Monopole-driven competition of neutron core excitations with two-proton excitations to the h_11/2 high-j orbit

NUCLEAR STRUCTURE ¹³⁶Xe, ¹³⁷Cs, ¹³⁸Ba; calculated high-spin levels, J, π, configurations, B(E2), effective single-particle energies (ESPEs), occupation numbers using large-scale shell-model calculations with the extended paring-plus-quadrupole interaction with monopole corrections (EPQQM); deduced a monopole-driven competition between different excitation modes in the high-lying, high-spin states in nuclei above ¹³²Sn, suggesting the importance of neutron core excitation for nuclei across the N=82 closed shell. Comparison with experimental data.

doi: 10.1103/PhysRevC.100.064316
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2019KA36      Phys.Rev. C 100, 024323 (2019)

L.Kaya, A.Vogt, P.Reiter, M.Siciliano, N.Shimizu, Y.Utsuno, H.-K.Wang, A.Gargano, L.Coraggio, N.Itaco, K.Arnswald, D.Bazzacco, B.Birkenbach, A.Blazhev, A.Bracco, B.Bruyneel, L.Corradi, F.C.L.Crespi, G.de Angelis, M.Droste, J.Eberth, A.Esmaylzadeh, E.Farnea, E.Fioretto, C.Fransen, A.Gadea, A.Giaz, A.Gorgen, A.Gottardo, K.Hadynska-Klek, H.Hess, R.Hirsch, P.R.John, J.Jolie, A.Jungclaus, V.Karayonchev, L.Kornwebel, W.Korten, S.Leoni, L.Lewandowski, S.Lunardi, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, C.Muller-Gatermann, D.Napoli, Zs.Podolyak, G.Pollarolo, F.Recchia, J.-M.Regis, N.Saed-Samii, E.Sahin, F.Scarlassara, K.Schomacker, M.Seidlitz, B.Siebeck, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, B.Szpak, E.Teruya, C.Ur, J.J.Valiente-Dobon, K.Wolf, K.Yanase, N.Yoshinaga, K.O.Zell

Isomer spectroscopy in ¹³³Ba and high-spin structure of ¹³⁴Ba

NUCLEAR REACTIONS ¹²⁴Sn(¹³C, X)¹³³Ba/¹³⁴Ba, E=55 MeV from FN tandem accelerator at Cologne; ²⁰⁸Pb(¹³⁶Xe, X)¹³⁴Ba, E=6.84 MeV/nucleon from PIAVE+ALPI accelerator complex at LNL-Legnaro; measured Eγ, Iγ, γγ-coin, γγ(θ), half-lives of isomers by γγ(t) using eight HPGe and 12 LaBr₃(ce) detectors at Cologne, and magnetic spectrometer PRISMA with AGATA array at Legnaro. ^133,134Ba; deduced high-spin levels, isomers, J, π, multipolarities, alignments, bands, backbending, configurations, B(E1), B(E2). Comparison with shell-model calculations for ¹³⁴Ba, and with previous experimental results. Systematics of positive- and negative-parity yrast states in N=78 nuclei: ¹³⁰Te, ¹³²Xe, ¹³⁴Ba, ¹³⁶Ce, ¹³⁸Nd, ¹⁴⁰Sm, ¹⁴²Gd, and Z=56 nuclei: ^{126,128,130,132,134,136,138}Ba.

NUCLEAR STRUCTURE ¹³⁴Ba; calculated levels, J, π using GCN50:82, SN100PN, SNV, PQM130, and realistic SM interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.100.024323
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2019KR16      Acta Phys.Pol. B50, 487 (2019)

M.Krzysiek, H.Utsunomiya, I.Gheorghe, D.M.Filipescu, T.Renstrom, G.M.Tveten, S.Belyshev, K.Stopani, H.Wang, G.Fan, Y.-W.Lui, D.Symochko, S.Goriely, A.-C.Larsen, S.Siem, V.Varlamov, B.Ishkhanov, T.Ari-izumi, S.Miyamoto

Photoneutron Cross-section Measurements for ¹⁶⁵Ho by the Direct Neutron-Multiplicity Sorting at NewSUBARU

NUCLEAR REACTIONS ¹⁶⁵Ho(γ, γ'), E=11.5-43.2 MeV; measured In, neutron multiplicity; deduced photoneutron σ(E). Flat-efficeincy neutron detector for direct neutron-multiplicity sorting method.

doi: 10.5506/aphyspolb.50.487
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2019MU03      Phys.Rev. C 99, 011302 (2019)

I.Murray, M.MacCormick, D.Bazin, P.Doornenbal, N.Aoi, H.Baba, H.Crawford, P.Fallon, K.Li, J.Lee, M.Matsushita, T.Motobayashi, T.Otsuka, H.Sakurai, H.Scheit, D.Steppenbeck, S.Takeuchi, J.A.Tostevin, N.Tsunoda, Y.Utsuno, H.Wang, K.Yoneda

Spectroscopy of strongly deformed ³²Ne by proton knockout reactions

NUCLEAR REACTIONS ⁹Be(³³Na, ³²Ne), (³⁴Mg, ³²Ne), E=235, 221 MeV/nucleon; measured reaction products, Eγ, Iγ, γγ-coin, time of flight and energy loss, σ for one- and two-proton knockout reactions populating levels in ³²Ne using the ZeroDegree spectrometer for particle identification and the DALI2 array for γ detection at the RIKEN-RIBF facility. ³²Ne; deduced first 2+ and 4+ levels, configuration, E(first 4+)/E(first 2+) ratio. Systematics of energies of the first 2+ and 4+ levels in ^{26,28,30,32,34,36}Ne, ^{28,30,32,34,36,38}Mg, ^{30,32,34,36,38,40}Si. Systematics of cross sections of two-proton knockout reactions for residues of ^26,28,30,32Ne. Comparison of experimental inclusive and exclusive reaction cross sections with shell-model and eikonal reaction dynamical calculations.

doi: 10.1103/PhysRevC.99.011302
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2019NA23      Phys.Rev. C 100, 044605 (2019)

K.Nakano, Y.Watanabe, S.Kawase, H.Wang, H.Otsu, H.Sakurai, S.Takeuchi, Y.Togano, T.Nakamura, Y.Maeda, D.S.Ahn, M.Aikawa, S.Araki, S.Chen, N.Chiga, P.Doornenbal, N.Fukuda, T.Ichihara, T.Isobe, S.Kawakami, T.Kin, Y.Kondo, S.Koyama, T.Kubo, S.Kubono, M.Uesaka, A.Makinaga, M.Matsushita, T.Matsuzaki, S.Michimasa, S.Momiyama, S.Nagamine, M.Niikura, T.Ozaki, A.Saito, T.Saito, Y.Shiga, M.Shikata, Y.Shimizu, S.Shimoura, T.Sumikama, P.-A.Soderstrom, H.Suzuki, H.Takeda, R.Taniuchi, J.Tsubota, Y.Watanabe, K.Wimmer, T.Yamamoto, K.Yoshida

Isotope production in proton-, deuteron-, and carbon-induced reactions on ⁹³Nb at 113 MeV/nucleon

NUCLEAR REACTIONS ^1,2H, ¹²C(⁹³Nb, X)⁹⁰Mo/⁹¹Mo/⁹²Mo/⁸⁷Nb/⁸⁸Nb/⁸⁹Nb/⁹⁰Nb/⁹¹Nb/⁹²Nb/⁸⁵Zr/⁸⁶Zr/⁸⁷Zr/⁸⁸Zr/⁸⁹Zr/⁹⁰Zr/⁹¹Zr/⁹²Zr/⁸²Y/⁸³Y/⁸⁴Y/⁸⁵Y/⁸⁶Y/⁸⁷Y/⁸⁸Y/⁸⁰Sr/⁸¹Sr/⁸²Sr/⁸³Sr/⁸⁴Sr/⁸⁵Sr/⁷⁸Rb/⁷⁹Rb/⁸⁰Rb/⁸¹Rb/⁸²Rb/⁸³Rb, E=113 MeV/nucleon; measured fragment yields, production σ using CH₂, CD₂ and C targets, BigRIPS beam separator and the ZeroDegree spectrometer (ZDS) at RIBF-RIKEN facility. Comparison with predictions of INCL-4.6, JQMD, and JQMD-2.0 models, with previous experimental data for ⁹³Zr target, and with the nuclear data libraries JENDL-4.0/HE, TENDL-2017, and ENDF/B-VIII.0

doi: 10.1103/PhysRevC.100.044605
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2019NI10      Chin.Phys.C 43, 113001 (2019)

K.Ni, Y.Lai, A.Abdukerim, W.Chen, X.Chen, Y.Chen, X.Cui, Y.Fan, D.Fang, C.Fu, L.Geng, K.Giboni, F.Giuliani, L.Gu, X.Guo, K.Han, C.He, D.Huang, Y.Huang, Y.Huang, Z.Huang, P.Ji, X.Ji, Y.Ju, K.Liang, H.Liu, J.Liu, W.Ma, Y.Ma, Y.Mao, Y.Meng, P.Namwongsa, J.Ning, X.Ning, X.Ren, C.Shang, L.Si, A.Tan, A.Wang, H.Wang, M.Wang, Q.Wang, S.Wang, X.Wang, Z.Wang, M.Wu, S.Wu, J.Xia, M.Xiao, P.Xie, B.Yan, J.Yang, Y.Yang, C.Yu, J.Yuan, D.Zhang, H.Zhang, T.Zhang, L.Zhao, Q.Zheng, J.Zhou, N.Zhou, X.Zhou

Searching for neutrino-less double beta decay of ¹³⁶Xe with PandaX-II liquid xenon detector

RADIOACTIVITY ¹³⁶Xe(2β^-); measured decay products, Eβ, Iβ; deduced T_1/2 and Majorana neutrino mass limits. Comparison with available data.

doi: 10.1088/1674-1137/43/11/113001
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2019PA25      Phys.Rev.Lett. 122, 162503 (2019)

N.Paul, A.Obertelli, C.A.Bertulani, A.Corsi, P.Doornenbal, J.L.Rodriguez-Sanchez, G.Authelet, H.Baba, D.Calvet, F.Chateau, S.Chen, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, T.Isobe, V.Lapoux, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, H.Otsu, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, C.Santamaria, M.Sasano, Y.Shiga, D.Steppenbeck, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, T.Ando, T.Arici, A.Blazhev, F.Browne, A.M.Bruce, R.Carroll, L.X.Chung, M.L.Cortes, M.Dewald, B.Ding, Zs.Dombradi, F.Flavigny, S.Franchoo, F.Giacoppo, M.Gorska, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, A.Jungclaus, J.Lee, M.Lettmann, B.D.Linh, J.Liu, Z.Liu, C.Lizarazo, C.Louchart, R.Lozeva, K.Matsui, T.Miyazaki, K.Moschner, S.Nagamine, N.Nakatsuka, C.Nita, S.Nishimura, C.R.Nobs, L.Olivier, S.Ota, Z.Patel, Zs.Podolyak, M.Rudigier, E.Sahin, T.Y.Saito, C.Shand, P.-A.Soderstrom, I.G.Stefan, T.Sumikama, D.Suzuki, R.Orlandi, V.Vaquero, Zs.Vajta, V.Werner, K.Wimmer, J.Wu, Z.Xu

Prominence of Pairing in Inclusive (p, 2p) and (p, pn) Cross Sections from Neutron-Rich Nuclei

NUCLEAR REACTIONS ¹H(⁹⁶Kr, np)⁹⁵Kr, E ∼ 250 MeV/nucleon; analyzed available data for fifty-five inclusive single nucleon-removal σ; deduced systematically higher cross sections are found for proton removal from nuclei with an even number of protons as compared to odd-proton number projectiles for a given neutron separation energy.

doi: 10.1103/PhysRevLett.122.162503
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2019TA10      Nature(London) 569, 53 (2019)

R.Taniuchi, C.Santamaria, P.Doornenbal, A.Obertelli, K.Yoneda, G.Authelet, H.Baba, D.Calvet, F.Chateau, A.Corsi, A.Delbart, J.-M.Gheller, A.Gillibert, J.D.Holt, T.Isobe, V.Lapoux, M.Matsushita, J.Menendez, S.Momiyama, T.Motobayashi, M.Niikura, F.Nowacki, K.Ogata, H.Otsu, T.Otsuka, C.Péron, S.Peru, A.Peyaud, E.C.Pollacco, A.Poves, J.-Y.Rousse, H.Sakurai, A.Schwenk, Y.Shiga, J.Simonis, S.R.Stroberg, S.Takeuchi, Y.Tsunoda, T.Uesaka, H.Wang, F.Browne, L.X.Chung, Z.Dombradi, S.Franchoo, F.Giacoppo, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, J.Lee, M.Lettmann, C.Louchart, R.Lozeva, K.Matsui, T.Miyazaki, S.Nishimura, L.Olivier, S.Ota, Z.Patel, E.Sahin, C.Shand, P.-A.Soderstrom, I.Stefan, D.Steppenbeck, T.Sumikama, D.Suzuki, Z.Vajta, V.Werner, J.Wu, Z.Y.Xu

⁷⁸Ni revealed as a doubly magic stronghold against nuclear deformation

NUCLEAR REACTIONS ¹H(⁷⁹Cu, 2p), (^80Zn, 3p)⁷⁸Ni, E ∼ 250 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced partial σ, energy levels, J, π, magic nature. Comparison with theoretical calculations.

doi: 10.1038/s41586-019-1155-x
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2019WA13      Chin.Phys.C 43, 054101 (2019)

H-K.Wang, Z.-H.Li, C.-X.Yuan, Z.-Q.Chen, N.Wang, W.Qin, Y.-Q.He

Monopole effects, core excitations, and β decay in the A = 130 hole nuclei near ¹³²Sn

NUCLEAR STRUCTURE ¹³⁰In, ¹³⁰Sn, ¹³⁰Cd; calculated energy levels, J, π.

RADIOACTIVITY ¹³⁰In, ¹³⁰Sn, ¹³⁰Cd(β^-); calculated Gamow-Teller transition probability (B(GT)).

doi: 10.1088/1674-1137/43/5/054101
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2019WA14      Phys.Lett. B 792, 263 (2019)

H.Watanabe, H.K.Wang, G.Lorusso, S.Nishimura, Z.Y.Xu, T.Sumikama, P.-A.Soderstrom, P.Doornenbal, F.Browne, G.Gey, H.S.Jung, J.Taprogge, Zs.Vajta, J.Wu, A.Yagi, H.Baba, G.Benzoni, K.Y.Chae, F.C.L.Crespi, N.Fukuda, R.Gernhauser, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, G.D.Kim, Y.K.Kim, I.Kojouharov, F.G.Kondev, T.Kubo, N.Kurz, Y.K.Kwon, G.J.Lane, Z.Li, C.-B.Moon, A.Montaner-Piza, K.Moschner, F.Naqvi, M.Niikura, H.Nishibata, D.Nishimura, A.Odahara, R.Orlandi, Z.Patel, Zs.Podolyak, H.Sakurai, H.Schaffner, G.S.Simpson, K.Steiger, Y.Sun, H.Suzuki, H.Takeda, A.Wendt, K.Yoshinaga

New isomers in ¹²⁵Pd₇₉ and ¹²⁷Pd₈₁: Competing proton and neutron excitations in neutron-rich palladium nuclides towards the N=82 shell closure

RADIOACTIVITY ^125,127Pd(IT) [from Be(²³⁸U, X)¹²⁵Pd/¹²⁷Pd, E=345 MeV/nucleon;] ; measured decay products, Eγ, Iγ; deduced γ-ray energies, intensities, T_1/2. Comparison with shell model calculations.

doi: 10.1016/j.physletb.2019.03.053
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2019WA25      Phys.Rev. A 100, 022516 (2019)

H.Wang, A.T.Le, T.C.Steimle, E.A.C.Koskelo, G.Aufderheide, R.Mawhorter, J.-U.Grabow

Fine and hyperfine interaction in ¹⁷³YbF

NUCLEAR MOMENTS ¹⁷³Yb; measured frequencies; deduced molecular fine, magnetic hyperfine, and nuclear electric quadrupole moment parameters.

doi: 10.1103/PhysRevA.100.022516
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2018CH21      Chin.Phys.C 42, 054101 (2018)

Q.-Z.Chai, W.-J.Zhao, M.-L.Liu, H.-L.Wang

Calculation of multidimensional potential energy surfaces for even-even transuranium nuclei: systematic investigation of the triaxiality effect on the fission barrier

NUCLEAR STRUCTURE ^{236,238,240,242,244,246}Pu, ^{242,244,246,248,250}Cm, ^250,252Cf, ²⁵⁴Rf; calculated proton and neutron single-particle levels, two-dimensional potential energy surfaces, microscopic energy, deformation parameters. Comparison with available data.

doi: 10.1088/1674-1137/42/5/054101
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2018CH28      Prog.Theor.Exp.Phys. 2018, 053D02 (2018)

Q.-Z.Chai, W.i-J.Zhao, H.-L.Wang, M.-L.Liu, F.-R.Xu

The triaxiality and Coriolis effects on the fission barrier in isovolumic nuclei with mass number A = 256 based on multidimensional total Routhian surface calculations

NUCLEAR STRUCTURE ¹⁴⁰Gd, ²⁵²Cf, ²⁵⁶Cm, ²⁵⁶Cf, ²⁵⁶Fm, ²⁵⁶No, ²⁵⁶Rf, ²⁵⁶Sg; calculated potential energy surfaces for the static fission barriers and ground-state deformation parameters, proton and neutron single-particle levels near the Fermi surface, pairing gaps of proton and neutron, rotational frequencies, total energies. Comparison with available data.

doi: 10.1093/ptep/pty049
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2018CH39      Int.J.Mod.Phys. E27, 1850050 (2018)

Q.Z.Chai, W.J.Zhao, H.L.Wang

Similar alignment based on total-Routhian-surface approach in an α-decay chain from ²¹⁶Po to ²⁷²Cn

NUCLEAR STRUCTURE ²⁷²Cn, ²⁶⁸Ds, ²⁶⁴Hs, ²⁶⁰Sg, ²⁵⁶Rf, ²⁵²No, ²⁴⁸Fm, ²⁴⁴Cf, ²⁴⁰Cm, ²³⁶Pu, ²³²U, ²²⁸Th, ²²⁴Ra, ²²⁰Rn, ²¹⁶Po; calculated angular momentum as a function of the rotational frequency for α-decay chain nuclei, single-particle energies using total Routhian surface approach in multidimensional deformation space.

doi: 10.1142/S0218301318500507
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2018CO06      Phys.Rev. C 97, 044315 (2018)

M.L.Cortes, P.Doornenbal, M.Dupuis, S.M.Lenzi, F.Nowacki, A.Obertelli, S.Peru, N.Pietralla, V.Werner, K.Wimmer, G.Authelet, H.Baba, D.Calvet, F.Chateau, A.Corsi, A.Delbart, J.-M.Gheller, A.Gillibert, T.Isobe, V.Lapoux, C.Louchart, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, H.Otsu, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, C.Santamaria, M.Sasano, Y.Shiga, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, F.Browne, L.X.Chung, Zs.Dombradi, S.Franchoo, F.Giacoppo, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, J.Lee, M.Lettmann, R.Lozeva, K.Matsui, T.Miyazaki, S.Nishimura, L.Olivier, S.Ota, Z.Patel, E.Sahin, C.M.Shand, P-A.Soderstrom, I.Stefan, D.Steppenbeck, T.Sumikama, D.Suzuki, Zs.Vajta, J.Wu, Z.Xu

Inelastic scattering of neutron-rich Ni and Zn isotopes off a proton target

NUCLEAR REACTIONS ¹H(⁷²Ni, p'), E=271.0 MeV/nucleon; ¹H(⁷⁴Ni, p'), E=263.5 MeV/nucleon; ¹H(⁷⁶Zn, p'), E=275.5 MeV/nucleon; ¹H(⁸⁰Zn, p'), E=263.4 MeV/nucleon, [secondary ^72,74Ni, ^76,80Zn beams from ⁹Be(²³⁸U, X), E=345 MeV/nucleon primary reaction, followed by separation of fragments using BigRIPS separator]; measured reaction products, yields, Eγ, Iγ, particles, (particle)γ-coin, angular integrated proton inelastic scattering σ using MINOS target device, DALI2 array for γ detection and ZeroDegree spectrometer for particles at RIBF-RIKEN facility. ^72,74Ni, ^76,80Zn; deduced first 2+ and 4+ levels, and second 2+ levels in ^72,74Ni; analyzed B(E2) values and matrix elements for the first 2+ states. Comparison with shell-model calculations, and with previous measurements. Systematics of β₂ deformation parameters in ⁶²Zn to ⁸⁰Zn, and ⁵⁴Ni to ⁷⁴Ni isotopes. Comparison of experimental σ for inelastic scattering with calculations using Jeukenne-Lejeune-Mahaux (JLM) folding model with quasiparticle random-phase approximation (QRPA). ⁵⁸Ni(p, p), E=295, 250, 333 MeV; ⁵⁸Ni(p, p'), E=178 MeV; analyzed σ(θ) data using the JLM reaction model and KD02 potential.

doi: 10.1103/PhysRevC.97.044315
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2018CO07      Phys.Rev. C 97, 044321 (2018)

A.Corsi, A.Obertelli, P.Doornenbal, F.Nowacki, H.Sagawa, Y.Tanimura, N.Aoi, H.Baba, P.Bednarczyk, S.Boissinot, M.Ciemala, A.Gillibert, T.Isobe, A.Jungclaus, V.Lapoux, J.Lee, K.Matsui, M.Matsushita, T.Motobayashi, D.Nishimura, S.Ota, E.Pollacco, H.Sakurai, C.Santamaria, Y.Shiga, D.Sohler, D.Steppenbeck, S.Takeuchi, R.Taniuchi, H.Wang

Spectroscopy of nuclei around ¹⁰⁰Sn populated via two-neutron knockout reactions

NUCLEAR REACTIONS ¹H, C(¹⁰⁴Sn, 2n), E=150 MeV/nucleon; ¹H, C(¹⁰²Cd, 2n), E=144 MeV/nucleon, [secondary ¹⁰⁴Sn and ¹⁰²Cd beams from ⁹Be(¹²⁴Xe, X), E=345 MeV/nucleon primary reaction, followed by separation of fragments using BigRIPS separator]; ¹H, C(¹¹²Sn, 2n), E=170 MeV/nucleon; measured Eγ, Iγ, particles, (particle)γ-coin, two-neutron knockout σ using carbon and CH₂ targets, DALI2 array for γ detection and ZeroDegree spectrometer for particles at RIBF-RIKEN facility. ¹⁰⁰Cd, ^102,110Sn; deduced first and second 2+ levels in ¹⁰²Sn, first 2+ and 4+ levels in ¹⁰⁰Cd, and first three excited states in ¹¹⁰Sn. Comparison with shell-model calculations, and with previous measurements. Systematics of energies of first and second 2+ states in ¹⁰²Sn to ¹²⁰Sn isotopes.

doi: 10.1103/PhysRevC.97.044321
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2018FU01      Phys.Rev. C 97, 014311 (2018)

Y.Fu, H.Tong, X.F.Wang, H.Wang, D.Q.Wang, X.Y.Wang, J.M.Yao

Microscopic analysis of shape transition in neutron-deficient Yb isotopes

NUCLEAR STRUCTURE ^{152,154,156,158,160,162,164,166,168,170}Yb; calculated low-lying levels, J, π, B(E2), E(4+)/E(2+) ratios, energies of levels in γ bands, electric monopole transition strength from 0+ states, potential energy surface contours in (β, γ) plane. Mean-field calculations using the energy density functional (EDF) based five-dimensional collective Hamiltonian (5DCH), with SLy4 (DDDF) and PC-PK1 (DIDF) parametrizations. Discussed spherical to prolate shape transition. Comparison with experimental data.

doi: 10.1103/PhysRevC.97.014311
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2018FU05      Phys.Rev. C 97, 024338 (2018)

Y.Fu, H.Wang, L.-J.Wang, J.M.Yao

Odd-even parity splittings and octupole correlations in neutron-rich Ba isotopes

NUCLEAR STRUCTURE ^{140,142,144,146,148,150,152,154}Ba; calculated mean-field energy surfaces in (β₂, β₃) deformation plane, level energies and B(E2) of first 2+ states, B(E3) for first 3- states, collective wave functions for the parity-doublet states in ^{144,146,148,150}Ba. Calculations based on microscopic framework of beyond-mean field multireference covariant energy density functional theory (MR-CDFT), with the quadrupole-octupole shapes taken into account with exact generator coordinate method combined with particle-number, angular-momentum, and parity projections. Comparison with experimental data.

doi: 10.1103/PhysRevC.97.024338
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2018LI46      Phys.Lett. B 784, 392 (2018)

X.Y.Liu, Z.Liu, B.Ding, P.Doornenbal, A.Obertelli, S.M.Lenzi, P.M.Walker, L.X.Chung, B.D.Linh, G.Authelet, H.Baba, D.Calvet, F.Chateau, A.Corsi, A.Delbart, J.-M.Gheller, A.Gillibert, T.Isobe, V.Lapoux, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, F.Nowacki, H.Otsu, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, M.Sasano, Y.Shiga, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, Y.H.Lam, T.H.Huang, M.D.Sun, W.Q.Zhang, H.Y.Lu, D.S.Hou, F.Browne, Zs.Dombradi, S.Franchoo, F.Giacoppo, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, J.Lee, M.Lettmann, R.Lozeva, K.Matsui, T.Miyazaki, S.Nishimura, C.Louchart, L.Olivier, S.Ota, Z.Patel, E.Sahin, C.Santamaria, C.Shand, P.-A.Soderstrom, G.L.Stefan, D.Steppenbeck, T.Sumikama, D.Suzuki, Zs.Vajta, V.Werner, J.Wu, Z.Xu, X.H.Zhou, Y.H.Zhang, H.S.Xu, F.S.Zhang

Spectroscopy of ^{65, 67}₂₅Mn: Strong coupling in the N=40 "island of inversion"

NUCLEAR REACTIONS ¹H(⁶⁸Fe, X)⁶³Mn/⁶⁵Mn/⁶⁷Mn, E=260 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π. Comparison with shell model predictions.

doi: 10.1016/j.physletb.2018.06.067
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2018ME08      Prog.Theor.Exp.Phys. 2018, 103D02 (2018)

H.-Y.Meng, Y.-W.Hao, H-L.Wang, M.-L.Liu

Signature of yrast-state structure in even-even hafnium isotopes based on traditional total-Routhian-surface calculations and novel E-GOS curves

doi: 10.1093/ptep/pty107
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2018NO05      Phys.Rev.Lett. 120, 172501 (2018)

S.Noji, H.Sakai, N.Aoi, H.Baba, G.P.A.Berg, P.Doornenbal, M.Dozono, N.Fukuda, N.Inabe, D.Kameda, T.Kawabata, S.Kawase, Y.Kikuchi, K.Kisamori, T.Kubo, Y.Maeda, H.Matsubara, S.Michimasa, K.Miki, H.Miya, H.Miyasako, S.Sakaguchi, Y.Sasamoto, S.Shimoura, M.Takaki, H.Takeda, S.Takeuchi, H.Tokieda, T.Ohnishi, S.Ota, T.Uesaka, H.Wang, K.Yako, Y.Yanagisawa, N.Yokota, K.Yoshida, R.G.T.Zegers

Excitation of the Isovector Spin Monopole Resonance via the Exothermic ⁹⁰Zr(¹²N, ¹²C) Reaction at 175 MeV/υ

NUCLEAR REACTIONS ⁹⁰Zr(¹²N, ¹²C), E=175 MeV/nucleon; measured reaction products, Eγ, Iγ. ⁹⁰Zr; deduced σ(θ, E), Gamow-Teller and isobaric analog transitions, isovector spin giant monopole resonance (IVSMR).

doi: 10.1103/PhysRevLett.120.172501
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2018VA08      Phys.Lett. B 782, 99 (2018)

Zs.Vajta, D.Sohler, Y.Shiga, K.Yoneda, K.Sieja, D.Steppenbeck, Zs.Dombradi, N.Aoi, P.Doornenbal, J.Lee, H.Liu, M.Matsushita, S.Takeuchi, H.Wang, H.Baba, P.Bednarczyk, Zs.Fulop, S.Go, T.Hashimoto, E.Ideguchi, K.Ieki, K.Kobayashi, Y.Kondo, R.Minakata, T.Motobayashi, D.Nishimura, H.Otsu, H.Sakurai, Y.Sun, A.Tamaii, R.Tanaka, Z.Tian, T.Yamamoto, X.Yang, Z.Yang, Y.Ye, R.Yokoyama, J.Zenihiro

Proton single particle energies next to ⁷⁸Ni: Spectroscopy of ⁷⁷Cu via single proton knock-out reaction

NUCLEAR REACTIONS ⁹Be(⁷⁸Zn, p)⁷⁷Cu, E=240 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, level scheme. Comparison with shell model calculations.

doi: 10.1016/j.physletb.2018.05.023
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2018WA04      At.Data Nucl.Data Tables 120, 373 (2018); Comment At.Data Nucl.Data Tables 120, 430 (2018)

H.B.Wang, G.Jiang, X.F.Li, Z.C.He

Electron impact excitation of N-like ions from the ICFT R-matrix calculation

ATOMIC PHYSICS Z=11-20; calculated 272 fine structure levels in both the configuration interaction (CI) and close-coupling (CC) collision expansions using intermediate coupling frame transformation (ICFT) R-matrix. Comparison with available data.

doi: 10.1016/j.adt.2017.03.001
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2018WA05      Int.J.Mod.Phys. E27, 1850014 (2018)

K.Wang, D.Q.Fang, Y.T.Wang, X.X.Xu, L.J.Sun, Z.Bai, M.R.Huang, S.L.Jin, C.Li, H.Li, J.Li, X.F.Li, C.J.Lin, J.B.Ma, P.Ma, W.H.Ma, M.W.Nie, C.Z.Shi, H.W.Wang, J.G.Wang, J.S.Wang, L.Yang, Y.Y.Yang, H.Q.Zhang, Y.J.Zhou, Y.G.Ma, W.Q.Shen

Spectroscopic study of β-delayed particle emission from proton-rich nucleus ²³Si

RADIOACTIVITY ²³Si(β⁺), (β⁺p), (β⁺2p) [from ⁹Be(²⁸Si, X)²³Si, E=75.8 MeV/nucleon]; measured decay products, Eγ, Iγ, Ep, Ip, p-γ and 2p-γ-coin.; deduced β-delayed charge-particle energy spectrum, decay energies and branching ratios for β-delayed protons, γ-ray energies, J, π, β-delayed proton branch and two proton emissions. Comparison with available data.

doi: 10.1142/S0218301318500143
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2018WA20      Eur.Phys.J. A 54, 107 (2018)

Y.-T.Wang, D.-Q.Fang, K.Wang, X.-X.Xu, L.-J.Sun, Z.Bai, P.-F.Bao, X.-G.Cao, Z.-T.Dai, B.Ding, W.-B.He, M.-R.Huang, S.-L.Jin, Y.Li, C.-J.Lin, L.-X.Liu, M.Lv, J.-B.Ma, P.Ma, H.-W.Wang, J.-G.Wang, J.-S.Wang, S.-T.Wang, Y.-Y.Yang, S.-Q.Ye, H.-Q.Zhang, M.-H.Zhao, C.-L.Zhou, Y.-G.Ma, W.-Q.Shen

β-delayed particle emission from ²¹Mg

RADIOACTIVITY ²¹Mg(EC), (β⁺), (ECp), (ECα), (β⁺p), (β⁺α); measured Eg, Ig, E(particle), I(particle), pγ-coin, charged particles using RIBBL1 (Radioactive Ion Beam Line) at Lanzhou, ²¹Mg decay-time spectrum, γ-ray energy spectrum correlated with β-delayed charged particles; deduced β-delayed charged particles energy spectrum, new partial decay scheme, levels, J, π, T_1/2, log ft, branching ratios of individual states.

doi: 10.1140/epja/i2018-12543-1
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2018WA24      Phys.Lett. B 784, 12 (2018)

Y.T.Wang, D.Q.Fang, K.Wang, X.X.Xu, L.J.Sun, P.F.Bao, Z.Bai, X.G.Cao, Z.T.Dai, B.Ding, W.B.He, M.R.Huang, S.L.Jin, C.J.Lin, M.Lv, L.X.Liu, Y.Li, P.Ma, J.B.Ma, J.S.Wang, S.T.Wang, J.G.Wang, H.W.Wang, S.Q.Ye, Y.Y.Yang, C.L.Zhou, M.H.Zhao, H.Q.Zhang, Y.G.Ma, W.Q.Shen

Observation of β-delayed ²He emission from the proton-rich nucleus ²²Al

RADIOACTIVITY ²²Al(β⁺2p) [from Be(²⁸Si, X), E=76 MeV/nucleon]; measured decay products, Eγ, Iγ. ²²Mg; deduced the momentum and emission angle of the two protons, Ep, Ip. Comparison with Monte Carlo simulations.

doi: 10.1016/j.physletb.2018.07.034
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Note: The following list of authors and aliases matches the search parameter H.Wang: , H.B.WANG, H.C.WANG, H.D.WANG, H.E.WANG, H.H.WANG, H.J.WANG, H.K.WANG, H.L.WANG, H.M.WANG, H.Q.WANG, H.R.WANG, H.S.WANG, H.W.WANG, H.X.WANG, H.Y.WANG